Ricoh SP204SFNW Service Manual

M145/M146/M147/M148/ M149/M150/M151 SERVICE MANUAL

M145/M146/M147/M148/M149/M150/M151 vi SM 6.1.1 OVERVIEW ... 6-1

Laser Unit SM 4-39 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.4.2 AFTER REPLACING THE LASER UNIT After replacing the laser u

Laser Unit M145/M146/M147/M148/M149/M150/M151 4-40 SM Margin Width (mm) [A] Left 4.2 [B] Right 4.2 [C] Leading 4.2 [D] Trailing 4

Paper Pass SM 4-41 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.5 PAPER PASS This section describes how to remove these items:

Paper Pass M145/M146/M147/M148/M149/M150/M151 4-42 SM M135, M143, M167, M149, M168, M150, M166, M148, M151, M169, M191  AIO (page 4-18 "M135,

Paper Pass SM 4-43 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 3. Release the right end of the shaft [A].  To release the

Paper Pass M145/M146/M147/M148/M149/M150/M151 4-44 SM 4.5.2 FRICTION PAD 1. Pull the feed tray out. 2. Detach the friction pad [A] from the feed

Paper Pass SM 4-45 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.5.3 PAPER TRANSPORT ROLLER Preparation  Gear Cover (page 4-4

Paper Pass M145/M146/M147/M148/M149/M150/M151 4-46 SM 5. Paper Transport Roller

Paper Pass SM 4-47 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.5.4 IMAGE TRANSFER ROLLER Preparation  Laser Unit (page 4-37

Paper Pass M145/M146/M147/M148/M149/M150/M151 4-48 SM  If you are replacing the Image transfer roller, keep these springs. New springs may not b

READ THIS FIRST Safety, Symbols, Trademarks, and Important Safety Notices Conventions Commonly Used Icons for Replacements and Adjustments Symbol

Paper Pass SM 4-49 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments  If the center or either end of the roller does not bounce up

Sensors M145/M146/M147/M148/M149/M150/M151 4-50 SM 4.6 SENSORS 4.6.1 REGISTRATION SENSOR Preparation Remove:  AIO  Feed Tray 1. Raise the mac

Sensors SM 4-51 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.6.2 PAPER END SENSOR Preparation Remove:  AIO.  Feed Tray. 

Sensors M145/M146/M147/M148/M149/M150/M151 4-52 SM  To release the hooks, access with a screwdriver from the indicated area [B]. 3. Bypass Set S

Main Motor SM 4-53 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.7 MAIN MOTOR 4.7.1 REMOVING THE MAIN MOTOR Preparation M133,

Main Motor M145/M146/M147/M148/M149/M150/M151 4-54 SM 3. Main Motor ( x 1)

Clutch SM 4-55 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.7.2 REINSTALLING THE MAIN MOTOR 1. Match boss [A] with the hole [

Switches M145/M146/M147/M148/M149/M150/M151 4-56 SM 4.9 SWITCHES 4.9.1 FRONT DOOR SWITCH Preparation M133, M162, M144, M163, M145, M146, M164 (pa

Switches SM 4-57 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 2. Screw [A] 3. Front Door Switch ( x 2)

Switches M145/M146/M147/M148/M149/M150/M151 4-58 SM 4.9.2 INTERLOCK SWITCH Preparation M133, M162, M144, M163, M145, M146, M164  Main Board (pag

Symbol What it means Standoff Stud screw Tapping screw (wide threads for plastic) Timing belt Paper Feed: SEF/LEF The notations "SEF"

Fusing Unit SM 4-59 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.10 FUSING UNIT This section describes how to remove these item

Fusing Unit M145/M146/M147/M148/M149/M150/M151 4-60 SM 5. Separate the Fusing Unit.  Be sure to prevent the springs or pawls [A] from falling

Fusing Unit SM 4-61 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.10.2 FUSING EXIT ROLLER Preparation  Detach the fusing exit

Fusing Unit M145/M146/M147/M148/M149/M150/M151 4-62 SM 4.10.4 HOT ROLLER, FUSING LAMP Preparation  Fusing Unit (page 4-27 "Removing the Fusi

Fusing Unit SM 4-63 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments  Avoid touching the surface of the fusing lamp with your fin

Fusing Unit M145/M146/M147/M148/M149/M150/M151 4-64 SM 4.10.6 THERMISTOR  Two thermistors are installed in this machine. Preparation  Fusing

PCB SM 4-65 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.11 PCB  Before board replacement, enter the SP mode to output repor

PCB M145/M146/M147/M148/M149/M150/M151 4-66 SM Re-installation  If the main board has been replaced, be sure to do the procedures for after replac

PCB SM 4-67 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments After Replacing the Main Board") 4.11.2 M134, M141, M165, M147, M1

PCB M145/M146/M147/M148/M149/M150/M151 4-68 SM After Replacing the Main Board") 4.11.3 M135, M143, M167, M149, M168, M150, M166, M148, M151, M

 The detailed procedure for entering the service mode of the Smart Organizing Monitor is provided in the training materials for these machines. T

PCB SM 4-69 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments M135, M143, M167, M149, M168, M150, M166, M148, M191, M151, M169 Covers,

PCB M145/M146/M147/M148/M149/M150/M151 4-70 SM After Replacing the Main Board")

PCB SM 4-71 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.11.4 AFTER REPLACING THE MAIN BOARD Do the procedures below after rep

PCB M145/M146/M147/M148/M149/M150/M151 4-72 SM Setting Comment Fuser SC Detect (1) Signals a fatal error after three consecutive jams in the fusin

PCB SM 4-73 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments M135, M143, M167, M149, M168, M150, M166, M148, M191, M151, M169 Covers,

PCB M145/M146/M147/M148/M149/M150/M151 4-74 SM 4.11.6 M135, M141, M143, M167, M149, M168, M150, M151, M169 FAX SPEAKER The fax speaker is installed

PCB SM 4-75 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments M135, M143, M167, M149, M168, M150, M166, M148, M191, M151, M169 Covers,

PCB M145/M146/M147/M148/M149/M150/M151 4-76 SM  Front Cover (page 4-18 "M135, M143, M167, M149, M168, M150, M166, M148, M191, M151, M169 Cove

PCB SM 4-77 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.11.8 H.V.P.P. Preparation M133, M162, M144, M163, M145, M146, M164

PCB M145/M146/M147/M148/M149/M150/M151 4-78 SM 2. H.V.P.P. ( x 1) AIO Terminals There are four AIO springs but only three terminal nodes [A] (th

Name Abbrev. Model No. SP 203SFN FiO M168 SP 204SFN FiO M150 SP 203SFNw FiO M169 SP 204SFNw FiO M151 The abbreviated notations in the sec

PCB SM 4-79 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 2. When you re-install the board, make sure that the edge tabs are inse

PCB M145/M146/M147/M148/M149/M150/M151 4-80 SM 1. Open Left Cover

PCB SM 4-81 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments M146, M164  Left cover ( page 4-4 "M133, M162, M144, M163, M145,

Scanner Unit M145/M146/M147/M148/M149/M150/M151 4-82 SM 4.12 SCANNER UNIT There are no serviceable parts in the Scanner Unit. If other part malfunct

ADF (M135, M143, M167, M149, M168, M150, M166, M148, M151, M169, M191) SM 4-83 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments M135,

Refilling the AIO M145/M146/M147/M148/M149/M150/M151 4-84 SM 4.14 REFILLING THE AIO 4.14.1 BEFORE YOU BEGIN  The toner can be refilled only for

Refilling the AIO SM 4-85 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Tools menu by press [User Tools] on the M135, M141, M143,

Refilling the AIO M145/M146/M147/M148/M149/M150/M151 4-86 SM 4.14.2 WHAT YOU NEED No. Item 1 Scissors 2 Funnel 3 Flathead (-) screwdriver 4

Refilling the AIO SM 4-87 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.14.3 REFILL PROCEDURE  An AIO can be refilled up to

Refilling the AIO M145/M146/M147/M148/M149/M150/M151 4-88 SM 6. Re-attach the square cap of the waste toner port.  Always obey the local laws a

Key Presses Symbol What It Means [Key] The names of machine operation panel keys and PC keyboard keys are enclosed in square brackets. Select This

Refilling the AIO SM 4-89 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments  The cut must be small. Cutting large a hole will caus

Refilling the AIO M145/M146/M147/M148/M149/M150/M151 4-90 SM  You must hold the funnel to prevent the tip of the funnel from touching and damagin

Refilling the AIO SM 4-91 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments

Refilling the AIO SM 4-1 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments SYSTEM MAINTENANCE REFERENCE REVISION HISTORY Page Date

Firmware Update SM 5-1 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference 5. SYSTEM MAINTENANCE REFERENCE 5.1 FIRMWARE UPDATE The ma

Firmware Update M145/M146/M147/M148/M149/M150/M151 5-2 SM 3. The Configuration Page shows the current Firmware Version number. 4. Click the [User

Firmware Update SM 5-3 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference 7. Specify the location of the DWN file, and then click [O

Firmware Update M145/M146/M147/M148/M149/M150/M151 5-4 SM  The message: "Downloading Engine Firmware..." is displayed for the engine f

Warnings, Cautions, Notes In this manual, the following important symbols and notations are used.  A Warning indicates a potentially hazardous si

Firmware Update SM 5-5 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Display on the machine During the update After update c

Firmware Update M145/M146/M147/M148/M149/M150/M151 5-6 SM During the update After update completed The time to complete M133, M162, M144, M163, M

Utilities SM 5-7 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference 5.2 UTILITIES 5.2.1 OVERVIEW OF UTILITIES There are five utiliti

Utilities M145/M146/M147/M148/M149/M150/M151 5-8 SM Model System tab Printer tab Copy tab Fax tab Scanner tab Network Settings Wi-Fi tab M143 O

Utilities SM 5-9 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference  In the screen samples used below to describe the Smart Organiz

Utilities M145/M146/M147/M148/M149/M150/M151 5-10 SM  When the progress bar appears blank with two asterisks to the right as shown below, the Ton

Utilities SM 5-11 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Status Tab Change Button Paper Size: Allows the operator to sele

Utilities M145/M146/M147/M148/M149/M150/M151 5-12 SM Name Size 16K 195 x 270 mm 16K 184 x 260 mm Custom Paper Size Configure the actual size of t

Utilities SM 5-13 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference YYYY/MM/DD and HH:MM:SS  Format:  A. For M133, M162, M144, M

Utilities M145/M146/M147/M148/M149/M150/M151 5-14 SM M142, M166, M148, M143, M168, M150, M146, M164, M151, and M169 only.  The Network Scanning Lo

Reference Material for Maintenance  Maintenance shall be done using the special tools and procedures prescribed for maintenance of the machine des

Utilities SM 5-15 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference  Configuration Page: Lists current machine settings.  Fax Spe

Utilities M145/M146/M147/M148/M149/M150/M151 5-16 SM the network environment. Max Length: 3 numeric digits in each column 1st byte: 1-126, 128-223,

Utilities SM 5-17 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Length Range: 148 to 356 mm (5.83 to 14.02 inch). Adjustment: 1

Utilities M145/M146/M147/M148/M149/M150/M151 5-18 SM  On: Black lines a few millimeters thick may appear in prints when the machine operates in a

Utilities SM 5-19 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Copy Tab Toner Save: Two settings are available.  Off: (Defaul

Utilities M145/M146/M147/M148/M149/M150/M151 5-20 SM Name Size LT 8 1/2 x 11 in. Legal 8 1/2 x 14 in. HLT 5 1/2 x 8 1/2 in. Executive 7 1/4 x 1

Utilities SM 5-21 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Length Range: 148 to 356 mm (5.83 to 14.02 inch). Adjustment: 1

Utilities M145/M146/M147/M148/M149/M150/M151 5-22 SM Range: Up to 20 digits, spaces, , "#",“*", and "Pause(P) ".  These

Utilities SM 5-23 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference  Minute Input Field (For Time Zone (GMT))  Minute Scroll Butt

Utilities M145/M146/M147/M148/M149/M150/M151 5-24 SM Wi-FI Tab

Installation, Disassembly, and Adjustments  After installation, maintenance, or adjustment, always check the operation of the machine to make sur

Utilities SM 5-25 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (1) Communication Mode 1. When Communication Mode is set to O

Utilities M145/M146/M147/M148/M149/M150/M151 5-26 SM (2) SSID 1. When machine becomes disconnected from connected, this item is disabled. 2. W

Utilities SM 5-27 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (3) Security Method Range: Open System - None Open System - WE

Utilities M145/M146/M147/M148/M149/M150/M151 5-28 SM (5) Key Length 1. When machine becomes disconnected from connected, this item is disabled.

Utilities SM 5-29 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (7) WEP Key / Passphrase (PSK) 1. Key setting for WEP, WPA or

Utilities M145/M146/M147/M148/M149/M150/M151 5-30 SM 1. Click "OK" button in the error message makes it go back to Wi-Fi tab and no data

Utilities SM 5-31 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (8) Wireless LAN Status Report 1. When machine becomes disconne

Utilities M145/M146/M147/M148/M149/M150/M151 5-32 SM 2. Enter the service mode to display the Service Mode screen.

Utilities SM 5-33 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (1) Fuser SC Detect When ON detects a third successive paper j

Utilities M145/M146/M147/M148/M149/M150/M151 5-34 SM (4) Destination This setting should be done for the area where the machine is sold and used.

Organic Cleaners  During preventive maintenance, never use any organic cleaners (alcohol, etc.) other than those described in the service manual.

Utilities SM 5-35 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (9) Subscan Magnification Specify the sub scan magnification [-

Utilities M145/M146/M147/M148/M149/M150/M151 5-36 SM (14) CCD Sub Regist M135, M141, M143, M167, M149, M168, M150, M134, M165, M147, M142,

Utilities SM 5-37 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference (19) Factory Default The function clears all logs and returns

Utilities M145/M146/M147/M148/M149/M150/M151 5-38 SM Printer Yes Yes Yes Copier No Yes Yes Scanner No Yes Yes Full Color No Yes Yes

Utilities SM 5-39 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Cover Open Error Code 3 Not Set Print Cartridge Error Code

Utilities M145/M146/M147/M148/M149/M150/M151 5-40 SM 5.2.4 M166, M148, M141, M167, M149, M135, M168, M143, M151, M169, M191 USER TOOL SPECIFICATION

Utilities SM 5-41 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Adjust Sound Volume (M141, M167, M149, M135,

Utilities M145/M146/M147/M148/M149/M150/M151 5-42 SM Menu Item Settings Fax TX End Tone For fax transmission end sound alert.  [Off], [Low], [Mi

Utilities SM 5-43 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Function Priority Copier Facsimile Scanner Sp

Utilities M145/M146/M147/M148/M149/M150/M151 5-44 SM Menu Item Settings Country Code (M167, M149, M168, M150) Specified the country in which the ma

It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is

After Installation, Servicing Disposal of Used Items  Never incinerate used toner, toner cartridges, or AIO units.  Toner thrown into a fire ca

Utilities SM 5-45 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Bypass Tray Adjusts the position of the image

Utilities M145/M146/M147/M148/M149/M150/M151 5-46 SM Menu Item Settings Reset Settings Reset All Settings  [Execute]: Touching [Execute] restores

Utilities SM 5-47 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Auto Continue Sets the machine to pause tempo

Utilities M145/M146/M147/M148/M149/M150/M151 5-48 SM Menu Item Settings Original Type Selects the copy function for the type of original for optimu

Utilities SM 5-49 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings 2 Sided Copy Off (Default) Top to Top Allo

Utilities M145/M146/M147/M148/M149/M150/M151 5-50 SM Fax Features Settings (M141, M167, M149, M135, M168, M150, M143, M151, M169) These features set

Utilities SM 5-51 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Auto Redial Determines whether the machine a

Utilities M145/M146/M147/M148/M149/M150/M151 5-52 SM Menu Item Settings Number of Rings Specifies the number of rings before the machine starts to

Utilities SM 5-53 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Dial Tone Detect Sets the machine to detect

Utilities M145/M146/M147/M148/M149/M150/M151 5-54 SM Menu Item Settings PSTN/PBX Specifies how the telephone line is routed.  PSTN: Line connect

Special Safety Instructions for Toner Accidental Physical Exposure  Work carefully when removing paper jams or replacing toner bottles or cartrid

Utilities SM 5-55 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Report Print Set TX Status Report Determines

Utilities M145/M146/M147/M148/M149/M150/M151 5-56 SM Scanner Features Settings Menu Item Settings Scanning Mode (M168, M150, M148,M151,M166,M169)

Utilities SM 5-57 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings File Format (M168, M150, M148,M151,M166,M169)

Utilities M145/M146/M147/M148/M149/M150/M151 5-58 SM Menu Item Settings Delete All Files Allows the operator to delete all unsent scanner jobs rema

Utilities SM 5-59 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Network Settings (M168, M150, M143, M151, M164) Menu Item Setti

Utilities M145/M146/M147/M148/M149/M150/M151 5-60 SM Menu Item Settings Wi-Fi Settings* Wi-Fi Connection Search SSID Searches SSID of Access Point.

Utilities SM 5-61 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Menu Item Settings Fax Journal (M141, M167, M149, M135, M168, M1

Utilities M145/M146/M147/M148/M149/M150/M151 5-62 SM Modem Settings Cable Equalizer Improves the pass-band characteristics of analog signals on a

Utilities SM 5-63 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Protocol Definition Training Retries Sets the number of trainin

Utilities M145/M146/M147/M148/M149/M150/M151 5-64 SM RX Settings Tone Sound Monitoring Determines when tones are monitored.  No Monitoring  Up

Toner Disposal  Never attempt to incinerate toner, used toner, or empty toner containers (bottles or cartridges). Burning toner can explode and s

Utilities SM 5-65 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Overseas Comm Mode Settings Minimum Time Length If Overseas Com

Utilities M145/M146/M147/M148/M149/M150/M151 5-66 SM 1 Dial Tone Detection Wait Time The machine starts dialing after the time below has expired w

Utilities SM 5-67 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Comm Settings V17 Modem A V17 modem cannot operate if use of a

Utilities M145/M146/M147/M148/M149/M150/M151 5-68 SM Error Log List (Error Log History List) Report The error log history records the most recent 4

Utilities SM 5-69 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference Item Description Date/Time Transaction date and time Destinatio

Utilities M145/M146/M147/M148/M149/M150/M151 5-70 SM 5.2.6 FAX TEST (M135, M141, M143, M167, M149, M168, M150, M151, M169) To start Fax Test Enter

Utilities SM 5-1 M145/M146/M147/M148/M149/M150/M151 System Maintenance Reference TROUBLESHOOTING REVISION HISTORY Page Date Added/Updated/New

Service Calls SM 6-1 M145/M146/M147/M148/M149/M150/M151 Troubleshooting 6. TROUBLESHOOTING 6.1 SERVICE CALLS 6.1.1 OVERVIEW General These machin

Service Calls M145/M146/M147/M148/M149/M150/M151 6-2 SM  There are two important settings on the Service Mode screen of the Smart Organizing Moni

Observance of Electrical Safety Standards 1. The machine and its peripherals must be installed and maintained by a customer service representative

Service Calls SM 6-3 M145/M146/M147/M148/M149/M150/M151 Troubleshooting  The M133, M162, M144, M163, M145, M146, M164 have no panel display. Whe

Service Calls M145/M146/M147/M148/M149/M150/M151 6-4 SM 6.1.2 EXECUTING FUSER SC RESET 1. After correcting the problem, open Smart Organizing Moni

Service Calls SM 6-5 M145/M146/M147/M148/M149/M150/M151 Troubleshooting Level Definition/ Reset Procedure C These are SC codes are not shown. They

Service Calls M145/M146/M147/M148/M149/M150/M151 6-6 SM SC200: Scanning SC202 C1 D Polygon Motor On Timeout Error No lock signal was received

Service Calls SM 6-7 M145/M146/M147/M148/M149/M150/M151 Troubleshooting  Cycle the machine off/on  Replace I/F harness  Replace polygon motor

Service Calls M145/M146/M147/M148/M149/M150/M151 6-8 SM SC400: Around the Drum SC491 C5 D Bias Leak A bias leak has occurred for the drum char

Service Calls SM 6-9 M145/M146/M147/M148/M149/M150/M151 Troubleshooting SC541 C7 A Fusing Unit Thermistor Error (Fatal Error) No temperature

Service Calls M145/M146/M147/M148/M149/M150/M151 6-10 SM SC543 C9 A High Temperature Error - Software (Fatal Error) The temperature inside the

Service Calls SM 6-11 M145/M146/M147/M148/M149/M150/M151 Troubleshooting SC545 c2 A Fusing Lamp Remains ON Error (Fatal Error) The heating el

Service Calls M145/M146/M147/M148/M149/M150/M151 6-12 SM SC556 c0 D temperature deviation error (Fatal Error) More than 1 degree Celsius tem

 Use of controls, or adjustment, or performance of procedures other than those specified in this manual may result in hazardous radiation exposur

Service Calls SM 6-13 M145/M146/M147/M148/M149/M150/M151 Troubleshooting SC600: Communication SC650 --- A Modem Error (M143, M167, M149, M168,

Service Calls M145/M146/M147/M148/M149/M150/M151 6-14 SM SC800: Other SC828 c8 A ROM Checksum or Data Lost Error A firmware type error or chec

Service Calls SM 6-15 M145/M146/M147/M148/M149/M150/M151 Troubleshooting GDI Receive Error GDI reception is impossible. Error is released automatic

Service Calls M145/M146/M147/M148/M149/M150/M151 6-16 SM Error  Machine Error No. Name Contents Indicate M135, M141, M143, M167, M149, M168, M1

Service Calls SM 6-17 M145/M146/M147/M148/M149/M150/M151 Troubleshooting No. Name Contents Indicate M135, M141, M143, M167, M149, M168, M150, M16

Service Calls M145/M146/M147/M148/M149/M150/M151 6-18 SM No. Name Contents Indicate M135, M141, M143, M167, M149, M168, M150, M166, M148, M151, M1

Service Calls SM 6-19 M145/M146/M147/M148/M149/M150/M151 Troubleshooting No. Name Contents Indicate M135, M141, M143, M167, M149, M168, M150, M16

Service Calls M145/M146/M147/M148/M149/M150/M151 6-20 SM No. Name Contents Indicate 1 TWAIN Scan Receive Error The error occurred when machine oc

Service Calls SM 6-21 M145/M146/M147/M148/M149/M150/M151 Troubleshooting No. Name Contents Indicate SNTP Server USB Memory 4 Invalid Password SM

Service Calls M145/M146/M147/M148/M149/M150/M151 6-22 SM No. Name Contents Indicate 10 Memory Full This error means that the memory capacity is

PRODUCT INFORMATION REVISION HISTORY Page Date Added/Updated/New None

Service Calls SM 6-23 M145/M146/M147/M148/M149/M150/M151 Troubleshooting Code Possible Causes of Error 0020 Can’t correct frame within 6 sec at

Service Calls M145/M146/M147/M148/M149/M150/M151 6-24 SM Code Possible Causes of Error 004F Remote side disconnected after sending ANSam in V.8

Service Calls SM 6-25 M145/M146/M147/M148/M149/M150/M151 Troubleshooting Code Possible Causes of Error 0087 Training attempt has failed because

Service Calls M145/M146/M147/M148/M149/M150/M151 6-26 SM Code Possible Causes of Error 00AF Modem can’t enter into control channel after TX side

Service Calls SM 6-27 M145/M146/M147/M148/M149/M150/M151 Troubleshooting Code Possible Causes of Error 00CB After sending EOP signal, received

Image Problems M145/M146/M147/M148/M149/M150/M151 6-28 SM 6.2 IMAGE PROBLEMS 6.2.1 OVERVIEW Image problems can occur at regular intervals [A] due

Image Problems SM 6-29 M145/M146/M147/M148/M149/M150/M151 Troubleshooting 6.2.2 PRINTING THE TEST PAGE Print the Test Page so you can visually che

Image Problems M145/M146/M147/M148/M149/M150/M151 6-30 SM 6.2.3 DARK LINES IN HALFTONE AREAS Dark lines in halftone fill areas can appear at 75 mm

Image Problems SM 6-31 M145/M146/M147/M148/M149/M150/M151 Troubleshooting

Common Problems M145/M146/M147/M148/M149/M150/M151 6-32 SM 6.3 COMMON PROBLEMS 6.3.1 ALL MODELS Please remember that print yield will be different

Specifications SM 1-1 M145/M146/M147/M148/M149/M150/M151 Product Information 1. PRODUCT INFORMATION 1.1 SPECIFICATIONS See "Appendices"

Common Problems SM 6-33 M145/M146/M147/M148/M149/M150/M151 Troubleshooting 6.3.2 M133, M134, M162, M144, M163, M165, M142, M166, M164, M191 Printe

Common Problems M145/M146/M147/M148/M149/M150/M151 6-34 SM 6.3.3 M135, M141, M143, M167, M168, M169 4in1 refill models The machine has issued a ton

Common Problems SM 6-35 M145/M146/M147/M148/M149/M150/M151 Troubleshooting Solution Disable the toner end function in order to use up all the tone

Common Problems SM 6-1 M145/M146/M147/M148/M149/M150/M151 Troubleshooting ENERGY SAVING REVISION HISTORY Page Date Added/Updated/New None

Energy Save SM 7-1 M145/M146/M147/M148/M149/M150/M151 Energy Saving 7. ENERGY SAVING 7.1 ENERGY SAVE 7.1.1 ENERGY SAVE MODES Energy Save Operati

Energy Save M145/M146/M147/M148/M149/M150/M151 7-2 SM Timer Settings and Return to Standby Mode The operator can set the two timers with the Smart O

Paper Save SM 7-3 M145/M146/M147/M148/M149/M150/M151 Energy Saving 7.2 PAPER SAVE 7.2.1 EFFECTIVENESS OF DUPLEX/COMBINE FUNCTIONS Duplexing and t

Paper Save M145/M146/M147/M148/M149/M150/M151 7-4 SM  The total counter increments by 3 for two duplex sheets where only three pages are printed (

New Product Information M145/M146/M147/M148/M149/M150/M151 1-2 SM 1.2 NEW PRODUCT INFORMATION 1.2.1 SERIES MACHINES COMPARED General Differences

Paper Save SM 7-5 M145/M146/M147/M148/M149/M150/M151 Energy Saving Original Simplex Sheets Duplex Sheets Paper Saved Total Counter 5 5 3 2 5

Paper Save M145/M146/M147/M148/M149/M150/M151 7-6 SM Duplex + Combine 2-in-1 Mode Original Simplex Sheets Duplex Sheets Paper Saved Total Count

M145/M146/M147/M148/M149/M150/M151 SERVICE MANUAL APPENDICES

SM Appendix i M145/M146/M147/M148/M149/M150/M151 M145/M146/M147/M148/M149/M150/M151 APPENDICES TABLE OF CONTENTS 1. APPENDIX: SPECIFICATIONS ...

Machine Specifications M145/M146/M147/M148/M149/M150/M151 ii SM Appendix Power Failure Report (M135, M141, M143, M167, M149, M168, M150, M151, M169)

APPENDIX: SPECIFICATIONS REVISION HISTORY Page Date Added/Updated/New None

Machine Specifications SM Appendix 1-1 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications 1. APPENDIX: SPECIFICATIONS 1.1 MACHINE SPECIF

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-2 SM Appendix M191 Yes Yes Yes No No Yes No No  The M133, M162, M144, M163

Machine Specifications SM Appendix 1-3 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications M162, M163, M145, M165, M147, M166, M148, M167,

New Product Information SM 1-3 M145/M146/M147/M148/M149/M150/M151 Product Information Model ADF/ Platen n/usb/wifi Display AIO:R/NR Scan to USB

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-4 SM Appendix *1 The AIO cartridge contains the drum, charge unit, development unit, cle

Machine Specifications SM Appendix 1-5 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Power supply 220 to 240 V 50/60 Hz Less than 5

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-6 SM Appendix M135, M141, M143, M167, M149, M168, M150, M151, M169, M191 11.1 kg (24.5 l

Machine Specifications SM Appendix 1-7 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications M162, M163, M145, M146, M164 3.1 W or less M165,

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-8 SM Appendix 1.1.3 PRINTER SPECIFICATIONS Printing Method Semi-conductor laser beam w

Machine Specifications SM Appendix 1-9 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications IEEE802.11b/IEEE802.11g/IEEE802.11n standards Pr

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-10 SM Appendix Margin Width mm inch [A] Left 4.2 0.2 [B] Right 4.2 0.2 [C] Le

Machine Specifications SM Appendix 1-11 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications 1.1.4 COPIER SPECIFICATIONS (M134, M165, M147,

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-12 SM Appendix Original size Platen book mode Standard A6 to A4/LT SEF, ID Card Custom

Machine Specifications SM Appendix 1-13 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Copy Area: Copy from Flatbed Area Width mm

New Product Information M145/M146/M147/M148/M149/M150/M151 1-4 SM Common AIO No. Part No. Part 1 Waste Toner Tank 7 Toner Supply Roller 2 D

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-14 SM Appendix Area Width mm inch [A] Left margin 3 0.1 [B] Right margin 3 0.1

Machine Specifications SM Appendix 1-15 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications 1.1.5 SCANNER SPECIFICATIONS (M134, M165, M14

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-16 SM Appendix (horizontal x vertical) ADF (M166, M148, M135, M143, M167, M149, M168, M1

Machine Specifications SM Appendix 1-17 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Scan Area: Scan from ADF Area Width mm inch

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-18 SM Appendix 1.1.6 FAX SPECIFICATIONS (M135, M141, M143, M167, M149, M168, M150) Tra

Machine Specifications SM Appendix 1-19 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Max. Scan Length ADF: 356 mm Flatbed: 288.9 mm

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-20 SM Appendix Scan Area: Fax from ADF Area Width mm inch [A] Left margin 3 0.1 [

Machine Specifications SM Appendix 1-21 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Features Halftone/Error Diffusion Supported fo

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-22 SM Appendix PC Fax Yes 1.1.7 REPORTS There are fourteen reports that can be printe

Machine Specifications SM Appendix 1-23 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Basic Format Every report is the same size. Th

The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by R

New Product Information SM 1-5 M145/M146/M147/M148/M149/M150/M151 Product Information 1.2.2 FEATURE SUMMARY General Features Unlike other machines

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-24 SM Appendix Main System Reference Paper Input Counter List System Settings Printer Fe

Machine Specifications SM Appendix 1-25 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Test Page Fax Journal (M135, M141, M143, M167,

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-26 SM Appendix TX Status Report (M135, M141, M143, M167, M149, M168, M150, M151, M169) T

Machine Specifications SM Appendix 1-27 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications TX Standby File List (M135, M141, M143, M167, M

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-28 SM Appendix Network Scanner Destination List (M144, M163, M145, M142, M166, M148, M14

Machine Specifications SM Appendix 1-29 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Network Setting List (M144, M163, M145, M142, M

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-30 SM Appendix Service Data List (M135, M141, M143, M167, M149, M168, M150, M151, M169)

Machine Specifications SM Appendix 1-31 M145/M146/M147/M148/M149/M150/M151 Appendix: Specifications Error Log History List (M135, M141, M143, M167,

Machine Specifications M145/M146/M147/M148/M149/M150/M151 1-32 SM Appendix 1.1.8 SOFTWARE SPECIFICATIONS Smart Organizing Monitor Required OS Win

New Product Information M145/M146/M147/M148/M149/M150/M151 1-6 SM  HDD expansion  G3 expansion (no G3 option available)  PictBridge Duplex Pri

New Product Information SM 1-7 M145/M146/M147/M148/M149/M150/M151 Product Information 1.2.3 ABOUT AIO UNITS AIO units vary depending on the model

New Product Information M145/M146/M147/M148/M149/M150/M151 1-8 SM  "Toner End Option" is included in User Tools. If set to "Continu

New Product Information SM 1-9 M145/M146/M147/M148/M149/M150/M151 Product Information Function M135, M141, M143, M167, M168, M169 M149 M150 M151 M1

New Product Information M145/M146/M147/M148/M149/M150/M151 1-10 SM Y: Supported -: Not Supported 1.2.4 GENERAL CONFIGURATION M133, M162, M144, M16

New Product Information SM 1-11 M145/M146/M147/M148/M149/M150/M151 Product Information 10. Power Connector Connect the power cord to the machine h

New Product Information M145/M146/M147/M148/M149/M150/M151 1-12 SM 7. Tray 1 This tray can hold up to 150 sheets of plain paper. 8. Power Switch U

New Product Information SM 1-13 M145/M146/M147/M148/M149/M150/M151 Product Information Lift up this cover to replace consumables or clear a paper j

New Product Information M145/M146/M147/M148/M149/M150/M151 1-14 SM 18. Tray Cover Attach this cover when you extend the tray. 1.2.5 OPERATION PANE

LEGEND PRODUCT CODE COMPANY LANIER RICOH SAVIN M145 M146 SP 201Nw SP 201Nw SP 201Nw M147 M148 SP 204SN SP 204SN SP 204SN M149 M150

New Product Information SM 1-15 M145/M146/M147/M148/M149/M150/M151 Product Information M134, M142, M165, M147 Operation Panel No. Name No. Nam

New Product Information M145/M146/M147/M148/M149/M150/M151 1-16 SM M135, M141, M143, M166, M148, M167, M149, M168, M150, M151, M169 Operation Panel

New Product Information SM 1-17 M145/M146/M147/M148/M149/M150/M151 Product Information M191 Operation Panel No. Name No. Name 1 [ID Card Copy]

New Product Information M145/M146/M147/M148/M149/M150/M151 1-18 SM The alert LED lights and remains ON:  When the machine malfunctions  Service

New Product Information SM 1-19 M145/M146/M147/M148/M149/M150/M151 Product Information feed roller (10) is driven by the main motor.  The paper f

New Product Information M145/M146/M147/M148/M149/M150/M151 1-20 SM Drive Layout No. Part No. Part 1 Main Motor 5 Drum (inside AIO) 2 Gear T

New Product Information SM 1-21 M145/M146/M147/M148/M149/M150/M151 Product Information Image Writing No. Part 1 Registration Sensor 2 Polygon

New Product Information SM 1-1 M145/M146/M147/M148/M149/M150/M151 Product Information INSTALLATION REVISION HISTORY Page Date Added/Updated/New

SM i M145/M146/M147/M148/M149/M150/M151 M145/M146/M147/M148/M149/M150/M151 TABLE OF CONTENTS 1. PRODUCT INFORMATION ...

Installation Requirements SM 2-1 M145/M146/M147/M148/M149/M150/M151 Installation 2. INSTALLATION 2.1 INSTALLATION REQUIREMENTS 2.1.1 INSTALLATIO

Installation Requirements M145/M146/M147/M148/M149/M150/M151 2-2 SM 6. Do not install the machine at locations over 2,000 m (6,562 ft.) above sea l

Installation Requirements SM 2-3 M145/M146/M147/M148/M149/M150/M151 Installation 2.1.5 SPACE REQUIREMENTS The machine should be used in a location

Installation Requirements M145/M146/M147/M148/M149/M150/M151 2-4 SM 2.1.6 MOVING THE MACHINE The machine is light, but be careful when you move it:

Installation Requirements SM 2-5 M145/M146/M147/M148/M149/M150/M151 Installation 2.1.8 IMPORTANT FEATURES Here are some important features you sho

Installation Requirements SM 2-1 M145/M146/M147/M148/M149/M150/M151 Installation PREVENTIVE MAINTENANCE REVISION HISTORY Page Date Added/Update

Cleaning the Machine SM 3-1 M145/M146/M147/M148/M149/M150/M151 Preventive Maintenance 3. PREVENTIVE MAINTENANCE 3.1 CLEANING THE MACHINE There ar

Cleaning the Machine M145/M146/M147/M148/M149/M150/M151 3-2 SM 3.1.2 ROUTINE CLEANING 1. Remove the AIO and clean the inside surfaces of the print

M145/M146/M147/M148/M149/M150/M151 ii SM 2. INSTALLATION ... 2-1 2.1 INSTA

Cleaning the Machine SM 3-1 M145/M146/M147/M148/M149/M150/M151 Preventive Maintenance REPLACEMENT AND ADJUSTMENTS REVISION HISTORY Page Date Ad

Before You Begin SM 4-1 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4. REPLACEMENT AND ADJUSTMENTS 4.1 BEFORE YOU BEGIN 4.1.1

Before You Begin M145/M146/M147/M148/M149/M150/M151 4-2 SM No. Report Procedure 2 Error Log History List *Service Mode > "Fax Maintenance

Before You Begin SM 4-3 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments No. Report Procedure Start SOM > User Tools > select

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-4 SM 4.2 BASIC PROCEDURES 4.2.1 BEFORE YOU BEGIN This section describes the procedures that

Basic Procedures SM 4-5 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments  An AIO can be refilled up to three times (this is the a

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-6 SM Right Cover Preparation Remove:  Front cover  Feed tray 1. Screws [A] 2. Stand the

Basic Procedures SM 4-7 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Left Cover Preparation Remove:  Front cover  Feed tray

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-8 SM 6. Left Cover Top Cover Preparation Remove:  Front Cover  Right Cover  Left Cove

SM iii M145/M146/M147/M148/M149/M150/M151 Inner Cover ... 4-17

Basic Procedures SM 4-9 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Rear Cover The rear cover does not require removal unless th

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-10 SM  An AIO can be refilled up to three times (this is the approximate service life of t

Basic Procedures SM 4-11 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Right Cover Preparation Remove:  AIO  Front cover 1. S

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-12 SM Left Cover Preparation Remove:  Handset  AIO  Front Cover 1. Screws [A] 2. Sta

Basic Procedures SM 4-13 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 5. Take the left cover [A] off from the front to the back

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-14 SM 2. Stand the machine as shown below. 3. Release the hook [A]. 4. Release the hook [

Basic Procedures SM 4-15 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 7. Bend and release the joint part with a screwdriver to

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-16 SM Flatbed Scanner Unit Preparation Remove:  Platen Cover  AIO  Front Cover  Right

Basic Procedures SM 4-17 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Inner Cover Preparation Remove:  Front Cover  Right Co

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-18 SM 4.2.4 M135, M143, M167, M149, M168, M150, M166, M148, M191, M151, M169 COVERS, FLATBED

M145/M146/M147/M148/M149/M150/M151 iv SM 4.9 SWITCHES ...

Basic Procedures SM 4-19 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments  An AIO can be refilled up to three times (this is the

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-20 SM Right Cover Preparation Remove:  AIO  Front Cover 1. Screws and hooks [A]. 2. Rel

Basic Procedures SM 4-21 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Left Cover Preparation Remove:  Handset  AIO  Front

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-22 SM 3. Stand the machine as shown below. 4. Release the hooks on the bottom [A] 5. Releas

Basic Procedures SM 4-23 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Left Hinge The left hinge does not require removal unless i

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-24 SM  Without step No. 4, the hook [C] cannot release due to the boss [B]. 6. Detach the

Basic Procedures SM 4-25 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Rear Cover The rear cover does not require removal unless

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-26 SM 4. Pull the ADF out of the flatbed unit. 5. Pull the harnesses through the rear corne

Basic Procedures SM 4-27 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments Remove:  Front Cover  Right Cover  Left Cover  Deta

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-28 SM M135, M143, M167, M149, M168, M150, M166, M148, M169, M151, M191 (page 4-18 "M135,

SM v M145/M146/M147/M148/M149/M150/M151 5.1 FIRMWARE UPDATE ... 5-1 5.1

Basic Procedures SM 4-29 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4. Screws [A] on the right side. 5. Ground wire [B]. (

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-30 SM 9. Fusing Unit [A] ( x 6, x 1).

Basic Procedures SM 4-31 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.2.6 UTILITIES AND MAINTENANCE This is a quick summary of

Basic Procedures M145/M146/M147/M148/M149/M150/M151 4-32 SM  The M135, M141, M143, M167, M149, M168, M150, M166, M148, M151, M169, and M191 have

Operation Panels SM 4-33 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.3 OPERATION PANELS 4.3.1 M133, M162, M144, M163, M145,

Operation Panels M145/M146/M147/M148/M149/M150/M151 4-34 SM 3. Lift the operation panel straight up to disconnect the hooks at three points. 4.

Operation Panels SM 4-35 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.3.3 M135, M141, M143, M167, M149, M168, M150, M166, M14

Operation Panels M145/M146/M147/M148/M149/M150/M151 4-36 SM 5. Operation Panel

Laser Unit SM 4-37 M145/M146/M147/M148/M149/M150/M151 Replacement and Adjustments 4.4 LASER UNIT 4.4.1 REMOVING THE LASER UNIT  There are no s

Laser Unit M145/M146/M147/M148/M149/M150/M151 4-38 SM 2. Laser Unit