Ricoh JP735 Service Manual

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Summary of Contents

Page 1 - SERVICE MANUAL

C252/C261 SERVICE MANUAL 001701MIU CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 2

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 3

SERVICE PROGRAM MODE C252 5-2 SM 5.1.2 MAIN MENU NO.1: INPUT MODE No. Name Note 1-3 Original Sensor 1-26 Master End Sensor 1-27 Ink Detection

Page 4

SERVICE PROGRAM MODE SM 5-3 C252 Service Tables 5.1.3 MAIN MENU NO.2: OUTPUT MODE No. Name Note 2-3 Master Eject Motor 2-6 Vacuum Fan Motor 2-7 A

Page 5

SERVICE PROGRAM MODE C252 5-4 SM 5.1.5 MAIN MENU NO.3: TEST MODE No. Name Function 3-1 Firmware Suffix Information "5.1.6 3-4 All Indicators

Page 6

SERVICE PROGRAM MODE SM 5-5 C252 Service Tables 5.1.8 SP6-42: IMAGE ADJUSTMENT PATTERN PRINT This test pattern is used for master feeding speed adju

Page 7

DIP SWITCHES C252 5-6 SM 5.2 DIP SWITCHES 5.2.1 OVERVIEW DIPSW No. Bit No. Name Settings 1 to 4 Paper Registration Position Adjust "5.2.2

Page 8

DIP SWITCHES SM 5-7 C252 Service Tables 5.2.2 DIPSW101 NO.1 TO 4 – PAPER REGISTRATION POSITION ADJUSTMENT Purpose: To match the printing leading e

Page 9

DIP SWITCHES C252 5-8 SM 5.2.3 DIPSW101 NO.5 TO 8 – MASTER WRITING POSITION ADJUSTMENT Purpose: To match the printing side-to-side on the print pap

Page 10 - CÓPIA NÃO CONTROLADA

DIP SWITCHES SM 5-9 C252 Service Tables 5.2.4 DIPSW102 NO.1 TO 3 – THERMAL HEAD ENERGY CONTROL The default is -7%. This means that during printing

Page 11 - DOCUMENTATION HISTORY

DIP SWITCHES C252 5-10 SM 5.2.5 DIPSW103 NO.1 TO 4 – SCANNING SPEED ADJUSTMENT Purpose: To adjust the sub-scan magnification for scanning by changi

Page 12

DIP SWITCHES SM 5-11 C252 Service Tables 5.2.6 DIPSW103 NO.5 TO 8 – MASTER FEEDING SPEED ADJUSTMENT Purpose: To adjust the sub-scan magnification

Page 13

LEGEND PRODUCT CODE COMPANY GESTETNER LANIER RICOH SAVIN C252 JP730 C261 JP735 DOCUMENTATION HISTORY REV. NO. DAT

Page 14 - TROUBLESHOOTING

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 15 - SERVICE TABLES

DETAILED DESCRIPTIONSCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 16

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 17 - SM v C252/C261

MECHANISM OVERVIEW SM 6-1 C252 Detailed Descriptions 6. DETAILD SECTION DESCRIPTIONS 6.1 MECHANISM OVERVIEW 6.1.1 MAJOR PARTS 1. Tension roller

Page 18

MECHANISM OVERVIEW C252 6-2 SM 6.1.2 ELECTRICAL COMPONENT LAYOUT C252D943.WMFC252D944.WMF7 8 9 1012 13 14 15 20 21 22 23 24 25 26272832 33 3

Page 19 - IMPORTANT SAFETY NOTICES

MECHANISM OVERVIEW SM 6-3 C252 Detailed Descriptions Boards No. Component Function 13 Operation Panel Board This board controls the operation pane

Page 20 - Symbols

MECHANISM OVERVIEW C252 6-4 SM Sensors No. Component Function 3 Cutter HP Sensor Detects when the cutter is at the home position. 8 Master Set C

Page 21

MECHANISM OVERVIEW SM 6-5 C252 Detailed Descriptions 6.1.3 DRIVE LAYOUT 1. Master Eject Motor 2. Scanner Motor 3. Pressure Plate Motor 4. Clampe

Page 22

MASTER EJECT UNIT C252 6-6 SM 6.2 MASTER EJECT UNIT 6.2.1 OVERVIEW The master eject unit removes the used master from the drum. (!: Digital Dupl

Page 23 - INSTALLATION

MASTER EJECT UNIT SM 6-7 C252 Detailed Descriptions 6.2.2 MASTER CLAMPER OPENING MECHANISM Clamper Mechanism Clamper motor [A] - opens the clampe

Page 24

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 25

MASTER EJECT UNIT C252 6-8 SM 6.2.3 MASTER EJECT ROLLER MECHANISM Mechanism Master eject motor [A] ↓ Gears [B] ↓ Master eject rollers [C] – t

Page 26 - 1.1.5 DIMENSIONS

MASTER EJECT UNIT SM 6-9 C252 Detailed Descriptions 6.2.4 PRESSURE PLATE MECHANISM Mechanism Pressure plate motor [A] ↓ Gears [B] ↓ Pressure p

Page 27 - 1.2 INSTALLATION PROCEDURE

SCANNER UNIT C252 6-10 SM 6.3 SCANNER UNIT 6.3.1 SCANNER DRIVE Mechanism Scanner motor [A] ↓ Gears [B] ↓ 1st feed roller [C], 2nd feed roller

Page 28 - CAUTION

IMAGE PROCESSING SM 6-11 C252 Detailed Descriptions 6.4 IMAGE PROCESSING 6.4.1 IMAGE PROCESSING FLOW Image processing is done by the IPU (Image Proc

Page 29 - INSTALLATION PROCEDURE

MASTER FEED C252 6-12 SM 6.5 MASTER FEED 6.5.1 OVERVIEW The master feed unit makes an image on the master and feeds the master to the drum. (!: D

Page 30 - INSTALLATION PROCEDURE

MASTER FEED SM 6-13 C252 Detailed Descriptions 6.5.2 MASTER FEED MECHANISM Mechanism Master feed motor [A] (stepper motor) ↓ Gears [B] ↓ Plat

Page 31

MASTER FEED C252 6-14 SM 6.5.3 CLAMPER AND TENSION ROLLER MECHANISM Mechanism Clamper motor [A] ↓ Gears [B] ↓ Link [C] ↓ Drum guide [D] ↓

Page 32

MASTER FEED SM 6-15 C252 Detailed Descriptions 6.5.4 CUTTER MECHANISM [A]: Cutter motor [B]: Cutter HP sensor • When the cutter starts, the dru

Page 33

MASTER FEED C252 6-16 SM 6.5.5 MASTER SET COVER SENSOR [A]: Master set cover sensor [B]: Master set cover • If the cover is closed properly, t

Page 34

DRUM SM 6-17 C252 Detailed Descriptions 6.6 DRUM 6.6.1 OVERVIEW Procedure Ink is supplied inside the drum, through the drum shaft. ↓ The ink rol

Page 35

SM i C252/C261 C252/C261 TABLE OF CONTENTS INSTALLATION 1. INSTALLATION...

Page 36

DRUM C252 6-18 SM 6.6.2 DRUM DRIVE MECHANISM Mechanism Main motor [A] (dc motor) ↓ Belt [B] ↓ Gears [C] ↓ The drum only rotates in one dire

Page 37 - Installation Procedure

DRUM SM 6-19 C252 Detailed Descriptions 6.6.3 INK SUPPLY MECHANISM Mechanism Ink pump motor [A] ↓ Gears [B] ↓ Gear rotation converted into pi

Page 38

DRUM C252 6-20 SM 6.6.4 INK ROLLER MECHANISM Mechanism Main motor ↓ Gears [A] ↓ Ink roller [B] rotates ↓ Gears [C] ↓ Doctor roller [D] ro

Page 39 - PREVENTIVE MAINTENANCE

DRUM SM 6-21 C252 Detailed Descriptions 6.6.5 INK SUPPLY CONTROL Mechanism When the ink level is low, the pins [A] do not touch the ink. ↓ The

Page 40

DRUM C252 6-22 SM 6.6.6 DETECTION OF MASTERS ON THE DRUM [A]: Drum master sensor [B]: Black patch on the screen [C]: Black patch on the clampe

Page 41 - 2. PREVENTIVE MAINTENANCE

PAPER FEED SM 6-23 C252 Detailed Descriptions 6.7 PAPER FEED 6.7.1 OVERVIEW This mechanism feeds blank copy paper into the printer. (!: Handling

Page 42

PAPER FEED C252 6-24 SM 6.7.2 PAPER FEED MECHANISM Mechanism Main motor [A] ↓ Belt and gears ↓ Paper feed clutch [B] ↓ Turns the paper feed

Page 43 - REPLACEMENT AND ADJUSTMENT

PAPER FEED SM 6-25 C252 Detailed Descriptions 6.7.3 PAPER FEED / SEPARATION PRESSURE MECHANISM [A]: Standard position (35 to 81.5 g/m2, 9.3 to 21

Page 44

PAPER FEED C252 6-26 SM 6.7.4 REGISTRATION ROLLER MECHANISM Registration Roller Drive Registration motor [A] ↓ Belt [B] ↓ Turns the lower regi

Page 45 - 3.2 COVERS

PAPER FEED SM 6-27 C252 Detailed Descriptions Registration Roller Up/Down Mechanism • After the printing paper is caught between the drum and the

Page 46 - 3.2.2 REAR COVER

C252/C261 ii SM 3.7 PAPER FEED...3-14 3.7.1 PAPER FEED RO

Page 47 - 3.3 BOARDS

PAPER FEED C252 6-28 SM 6.7.5 REGISTRATION SENSOR CLEANING NOTE: This mechanism is attached only for the China model. Dust on the registration se

Page 48 - 3.3.2 PSU

PAPER FEED SM 6-29 C252 Detailed Descriptions 6.7.6 PRINTING PRESSURE MECHANISM • When not in the printing cycle, the two solenoids [A] remain o

Page 49 - 3.4 SCANNER

PAPER FEED C252 6-30 SM 6.7.8 PAPER TABLE MECHANISM Table lifting / lowering Mechanism The user moves the paper feed tray adjustment lever [A] up

Page 50 - SCANNER

PAPER FEED SM 6-31 C252 Detailed Descriptions Table side fence lock mechanism The lock levers [A] hold the side fences in position. Side fence fr

Page 51 - 3.4.4 SCANNER MOTOR

PAPER DELIVERY C252 6-32 SM 6.8 PAPER DELIVERY 6.8.1 OVERVIEW Procedure The exit pawl [A] and the air knife [B] separate the paper from the drum.

Page 52 - 3.5 MASTER FEED

PAPER DELIVERY SM 6-33 C252 Detailed Descriptions 6.8.2 PAPER DELIVERY UNIT DRIVE MECHANISM Mechanism Main motor [A] ↓ Belt and gear [B] ↓ Shaft [C

Page 53 - 3.5.2 THERMAL HEAD

PAPER DELIVERY C252 6-34 SM 6.8.3 PAPER SEPARATION FROM THE DRUM Air knife • The air from the air knife fan motor [A] separates the paper from th

Page 54 - Installation

PAPER DELIVERY SM 6-35 C252 Detailed Descriptions 6.8.4 EXIT PAWL DRIVE MECHANISM • During printing, the distance between the exit pawl [A] and t

Page 55 - CAUTION

PAPER DELIVERY C252 6-36 SM • When printing finishes and the printing pressure is released, the cam follower arm [F] is engaged by the printing

Page 56

TIMING CHART SM 6-37 C252 Detailed Descriptions 6.9 TIMING CHART 6.9.1 MASTER EJECT / MASTER FEED Master Eject Position Sn.Feed Start Timing Sn.Cl

Page 57 - 3.6 MASTER EJECT

SM iii C252/C261 SERVICE TABLES 5. SERVICE TABLES... 5-1 5.1 SERVICE PROGRAM

Page 58 - 3.7 PAPER FEED

TIMING CHART C252 6-38 SM 6.9.2 MASTER WRAPPING Master Eject Position Sn.Feed Start Timing Sn.Main MotorPaper Feed CluthRegistration Sn.Pressure

Page 59

TIMING CHART SM 6-39 C252 Detailed Descriptions 6.9.3 PRINTING Master Eject Position Sn.Feed Start Timing Sn.Main MotorPaper Feed ClutchPressure

Page 60

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 61 - 3.8 PRINTING

SPECIFICATIONSCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 62 - PRINTING

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 63 - PRINTING

SPECIFICATIONS SM 7-1 C252 Specifications SPECIFICATIONS 1. GENERAL SPECIFICATIONS Configuration Desktop Master Process Digital with 300 dpi thermal

Page 64

SPECIFICATIONS C252 7-2 SM Master type 280 mm width (B4), 50 m/roll 240 mm width (LG), 50 m/roll Yield 100 masters/roll Maximum run length per maste

Page 65

C261 SERVICE MANUAL CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 66

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 67

SM 8-1 C261 C261 OVERALL INFORMATION The C261 is released as the successor to the C252. A new model code assigned to the C261, it is in full complian

Page 68 - C252 3-24 SM

C252/C261 iv SM 6.6.2 DRUM DRIVE MECHANISM ...6-18 6.6.3 INK SUPPLY MECHANISM...

Page 69

C261 8-2 SM 1. INSTALLATION 1.2 INSTALLATION PROCEDURE 1.2.1 MAIN BODY Accessory check Description Change: The accessories are changed (C261 only

Page 70

SM 8-3 C261 C261 Change: C252/C261: Note the way to install the master roll. Reason: To set the master leading edge at the correct position. 7. Se

Page 71 - Adjustment

C261 8-4 SM 3. REPLACEMENT AND ADJUSTMENT 3.9 DRUM 3.9.2 CLOTH SCREEN Change: C252/C261: The mylar seal of the metal screen was changed only at

Page 72

SM 8-5 C261 C261 • Make sure that the correct side of the screen is facing up. In addition, make sure that the stays for securing the cloth screen a

Page 73 - SM 3-29 C252

C261 8-6 SM • Make sure that the correct end of the metal screen is overlapping. (The right side overlaps, as viewed from the non-operation side

Page 74

SM 8-7 C261 C261 3.9.4 INK PUMP ADJUSTMENT Change: C252/C261: To improve the accuracy of the adjustment, the plunger adjustment was changed. Purpose

Page 75

C261 8-8 SM 6. After tightening, repeat step 4 and step 5. 7. Re-tighten the two screws [A]. 8. Check that the piston motion is smooth. 9. R

Page 76

SM 8-9 C261 C261 4. TROUBLESHOOTING 4.5 OTHERS These procedures also apply to the C252. Subject: Black line on the copy Symptom The left or/and ri

Page 77 - 3.10.4 EXIT PAWL ADJUSTMENT

C261 8-10 SM Solution For cause 1: 1. Measure the distance from the paper edge to the black line (this distance is ‘X mm’). 2. Move the side f

Page 78 - Timing adjustment

SM 8-11 C261 C261 Subject: Areas of the original that are of an orange color do not show on the master. Symptom Areas of the original that have an

Page 79

SM v C252/C261 3.5 OTHERS...8-9 4. DETAILED SECT

Page 80 - 3.11 MAIN DRIVE

C261 8-12 SM 6. DETAILED SECTION DESCRIPTIONS 6.4 IMAGE PROCESSING 6.4.1 IMAGE PROCESSING FLOW Grayscale Processing: Change: C261 only: The Te

Page 81 - MAIN DRIVE

SM 8-13 C261 C261 6.6 DRUM 6.6.6 DETECTION OF MASTER ON THE DRUM Drum master sensor Change: C261 only: A VR (Variable Resistor) [A] was added for

Page 82 - 3.12 FIRMWARE UPDATE

C261 8-14 SM The adhesive parts [A] are only at the sides of the mylar seal for the metal screen. (They were removed from the trailing edge.) Th

Page 83

SM 8-15 C261 C261 6.8 PAPER DELIVERY 6.8.1 PAPER DELIVERY UNIT DRIVE MECHANISM Change: • C261 only: The paper delivery performance was improved by

Page 84

C261 8-16 SM 6.10 MAIN CONTROL BOARD • C252/C261: An explanation about the main control board was added. The main motor controller board [A] i

Page 85

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 86

IMPORTANT SAFETY NOTICES PREVENTION OF PHYSICAL INJURY 1. Before disassembling or assembling parts of the digital duplicator, make sure that the

Page 87

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 88 - 4.3.3 VR’S

Symbols This manual uses several symbols. The meaning of those symbols are as follows: ! See or Refer to  Core tech manual  Clip ring  E-ring

Page 89 - 4.3.5 DIP SWITCHES

INSTALLATION PREVENTIVE MAINTENANCE REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES DETAILED DESCRIPT

Page 90 - 4.4 JAM DETECTION

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 91 - JAM DETECTION

INSTALLATIONCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 92 - JAM DETECTION

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 93 - Check 1:

INSTALLATION REQUIREMENTS SM 1-1 C252 Installation 1. INSTALLATION 1.1 INSTALLATION REQUIREMENTS Carefully select the installation location because e

Page 94 - Paper feed

INSTALLATION REQUIREMENTS C252 1-2 SM 1.1.4 MINIMUM SPACE REQUIREMENTS Place the machine near a power source, providing minimum clearance as shown

Page 95 - Paper delivery

INSTALLATION PROCEDURE SM 1-3 C252 Installation 1.2 INSTALLATION PROCEDURE 1.2.1 MAIN BODY Accessory Check Make sure that you have all the accessor

Page 96

INSTALLATION PROCEDURE C252 1-4 SM Installation Procedure CAUTION To avoid serious injury, do not connect the power plug to the machine until you

Page 97

INSTALLATION PROCEDURE SM 1-5 C252 Installation 3. Open the right side cover, and take out the accessory bag [A]. 4. Insert both spools into a n

Page 98

C252/C261 SERVICE MANUAL CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 99 - 5. SERVICE TABLES

INSTALLATION PROCEDURE C252 1-6 SM 6. Open the master making unit cover, and insert the leading edge of the master roll under the platen roller. T

Page 100

INSTALLATION PROCEDURE SM 1-7 C252 Installation 9. Open the front door. 10. Release the ink holder lock lever [A] and pull out the ink holder [B].

Page 101 - SERVICE PROGRAM MODE

INSTALLATION PROCEDURE C252 1-8 SM 13. Lower the paper feed tray adjustment lever [A], and install the paper table. ( x 2) NOTE: 1) When instal

Page 102 - SERVICE PROGRAM MODE

INSTALLATION PROCEDURE SM 1-9 C252 Installation 15. Install the paper delivery table. ( x 2) 16. Release the paper feed side plate lock levers

Page 103 - Paper Feed Direction

INSTALLATION PROCEDURE C252 1-10 SM 17. Load paper into the paper table. 18. Shift the paper feed tray adjustment lever [A] up to the paper feedin

Page 104 - 5.2 DIP SWITCHES

INSTALLATION PROCEDURE SM 1-11 C252 Installation 20. Attach the original table [A]. 21. Firmly insert the power plug in the outlet. 22. Turn on the

Page 105

INSTALLATION PROCEDURE C252 1-12 SM 1.2.2 ADDITIONAL DRUMS (OPTION) There are two types of drum units: B4 size Color Drum: Color Drum Type 7 (M)

Page 106 - ADJUSTMENT

INSTALLATION PROCEDURE SM 1-13 C252 Installation 1.2.3 INTERFACE BOARD (OPTION) Accessory Check Check the quantity and condition of the accessories

Page 107 - CONTROL

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 108 - DIP SWITCHES

PREVENTIVE MAINTENANCECÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 109 - ADJUSTMENT

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 110

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 111 - DETAILED DESCRIPTIONS

MAINTENANCE TABLE SM 2-1 C252 Preventive Maintenance 2. PREVENTIVE MAINTENANCE 2.1 MAINTENANCE TABLE The following items should be maintained periodi

Page 112

MAINTENANCE TABLE C252 2-2 SM Time Print Counter IntervalItem 6M 1Y 2Y 5Y 150K 300K600K 1.2M 3M EM Note Drum and Ink Supply Cloth Screen R R

Page 113 - 6.1 MECHANISM OVERVIEW

REPLACEMENT AND ADJUSTMENTCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 114 - MECHANISM OVERVIEW

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 115 - Counters

GENERAL CAUTION SM 3-1 C252 Replacement and Adjustment 3. REPLACEMENT AND ADJUSTMENT 3.1 GENERAL CAUTION CAUTION Turn off the main power switch and

Page 116 - Sensors

COVERS C252 3-2 SM 3.2.2 REAR COVER [A]: Rear cover ( x 5) C252R920.WMF[A] CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 117 - 6.1.3 DRIVE LAYOUT

BOARDS SM 3-3 C252 Replacement and Adjustment 3.3 BOARDS 3.3.1 MPU • Rear cover (! 3.2.2) [A]: MPU ( x 8,  x 8) NOTE: 1) Check the dip switch

Page 118 - 6.2 MASTER EJECT UNIT

BOARDS C252 3-4 SM 3.3.2 PSU • Rear cover (! 3.2.2) [A]: PSU ( x 6,  x 3) NOTE: When the PSU is replaced, the thermal head voltage returns to

Page 119 - Clamper Mechanism

SCANNER SM 3-5 C252 Replacement and Adjustment 3.4 SCANNER 3.4.1 COVERS [A]: Right side cover ( x 2) [B]: Scanner cover ( x 4) C252R004.WMF

Page 120 - Procedure

C252/C261 SERVICE MANUAL 001701MIU CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 121

SCANNER C252 3-6 SM 3.4.2 1ST, 2ND FEED ROLLER / CIS (CONTACT IMAGE SENSOR) [A]: Upper cover ( x 4) [B]: Guide plate ( x 2) [C]: CIS ( x 1)

Page 122 - 6.3 SCANNER UNIT

SCANNER SM 3-7 C252 Replacement and Adjustment 3.4.3 DOCUMENT SENSOR [A]: Upper guide plate ( x 2) [B]: Document sensor ( x 1) 3.4.4 SCANNER

Page 123 - 6.4 IMAGE PROCESSING

MASTER FEED C252 3-8 SM 3.5 MASTER FEED 3.5.1 MASTER MAKING UNIT [A]: Master making unit ( x 2,  x 5) C252R008.WMF[A]CÓPIA NÃO CONTROLADACÓ

Page 124 - 6.5 MASTER FEED

MASTER FEED SM 3-9 C252 Replacement and Adjustment 3.5.2 THERMAL HEAD • Master making unit (! 3.5.1) [A]: Open the platen roller unit. [B]: The

Page 125 - 6.5.2 MASTER FEED MECHANISM

MASTER FEED C252 3-10 SM Installation If the following cautions are not followed, the thermal head will be installed incorrectly. 1. Fit the base

Page 126

MASTER FEED SM 3-11 C252 Replacement and Adjustment 3.5.3 THERMAL HEAD VOLTAGE ADJUSTMENT CAUTION This adjustment is always required when the therm

Page 127 - 6.5.4 CUTTER MECHANISM

MASTER FEED C252 3-12 SM 3.5.4 MASTER END SENSOR ADJUSTMENT Purpose: To ensure that the sensor detects the end mark (a solid black area) on the mas

Page 128 - MASTER FEED

MASTER EJECT SM 3-13 C252 Replacement and Adjustment 3.6 MASTER EJECT 3.6.1 MASTER EJECT UNIT [A]: Paper delivery cover ( x 5) [B]: Master ejec

Page 129 - 6.6 DRUM

PAPER FEED C252 3-14 SM 3.7 PAPER FEED 3.7.1 PAPER FEED ROLLER / FRICTION PAD [A]: Paper feed roller unit ( x 1) [B]: Paper guide [C]: Paper

Page 130 - 6.6.2 DRUM DRIVE MECHANISM

PAPER FEED SM 3-15 C252 Replacement and Adjustment 3.7.2 PAPER FEED PRESSURE ADJUSTMENT The position of the spring can be changed in order to chang

Page 131 - 6.6.3 INK SUPPLY MECHANISM

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 132 - 6.6.4 INK ROLLER MECHANISM

PAPER FEED C252 3-16 SM 3.7.3 PAPER SEPARATION PRESSURE ADJUSTMENT The position of the screw can be changed in order to change the amount of pressur

Page 133 - 6.6.5 INK SUPPLY CONTROL

PRINTING SM 3-17 C252 Replacement and Adjustment 3.8 PRINTING 3.8.1 PRESS ROLLER CAUTION Take care to avoid possible injury. If the printing pres

Page 134 - C252 6-22 SM

PRINTING C252 3-18 SM 3.8.2 PAPER REGISTRATION ROLLER • Remove the paper table • Front cover (! 3.2.1) • Rear cover (! 3.2.2) • MPU (! 3.3.1)

Page 135 - 6.7 PAPER FEED

PRINTING SM 3-19 C252 Replacement and Adjustment [A]: Bearing ( x 2) [B]: Slider bracket ( x 2) [C]: Plate ( x 4) [D]: Registration roller C

Page 136 - 6.7.2 PAPER FEED MECHANISM

PRINTING C252 3-20 SM 3.8.3 PRESS ROLLER RELEASE LEVER ADJUSTMENT Purpose: To maintain the correct clearance between the press roller arms and press

Page 137 - PAPER FEED

PRINTING SM 3-21 C252 Replacement and Adjustment 3.8.4 PRINTING PRESSURE ADJUSTMENT Purpose: To make better print results without decreasing the ru

Page 138 - Registration Roller Drive

DRUM C252 3-22 SM 3.9 DRUM 3.9.1 PREPARATION Before attempting any of the procedures in this section, wipe off the ink around the ink roller. To do

Page 139

DRUM SM 3-23 C252 Replacement and Adjustment Installation • Do not scratch the cloth screen or metal screen. • Properly insert the edge of the my

Page 140 - PAPER FEED

DRUM C252 3-24 SM 3.9.3 CLAMPER / METAL SCREEN • Remove the drum • Cloth screen (! 3.9.2) [A]: Clamper lever (1 hexagon screw) [B]: Clamper

Page 141 - 6.7.7 RE-FEEDING MECHANISM

DRUM SM 3-25 C252 Replacement and Adjustment Installation • Make sure that the correct end of the metal screen is overlapping. (The right side ov

Page 142 - 6.7.8 PAPER TABLE MECHANISM

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

Page 143 - Side fence friction pads

DRUM C252 3-26 SM 3.9.4 INK PUMP ADJUSTMENT Purpose: To ensure the smooth operation of the ink pump plunger by properly positioning its holder. •

Page 144 - 6.8 PAPER DELIVERY

DRUM SM 3-27 C252 Replacement and Adjustment 7. Re-tighten the two screws [A]. 8. Check that the piston motion is smooth. 9. Reinstall the E-ri

Page 145

DRUM C252 3-28 SM 3.9.5 DOCTOR ROLLER GAP ADJUSTMENT Purpose: To control the ink thickness around the ink roller. Standard: A 0.07mm gauge passes,

Page 146 - Air knife

DRUM SM 3-29 C252 Replacement and Adjustment 3.9.6 INK DETECTION ADJUSTMENT Purpose: To ensure that the CPU detects a no ink condition. CAUTION: Bef

Page 147 - PAPER DELIVERY

PAPER DELIVERY C252 3-30 SM 3.10 PAPER DELIVERY 3.10.1 PAPER DELIVERY UNIT • Rear cover (!3.2.2) [A]: Paper delivery cover ( x 5) [B]: Paper d

Page 148 - PAPER DELIVERY

PAPER DELIVERY SM 3-31 C252 Replacement and Adjustment 3.10.2 DELIVERY BELT / PAPER EXIT SENSOR • Remove paper delivery unit (! 3.10.1) [A]: Va

Page 149 - 6.9 TIMING CHART

PAPER DELIVERY C252 3-32 SM 3.10.3 VACUUM FAN MOTOR POSITION • Remove the paper delivery unit (! 3.10.1) [A]: For the China model [B]: For oth

Page 150 - 6.9.2 MASTER WRAPPING

PAPER DELIVERY SM 3-33 C252 Replacement and Adjustment 3.10.4 EXIT PAWL ADJUSTMENT Purpose: To ensure that the exit pawls can move out of the way of

Page 151 - 6.9.3 PRINTING

PAPER DELIVERY C252 3-34 SM Timing adjustment Standard: 0 or less than 0.5 mm • Front cover (! 3.2.1), Rear covers (! 3.2.2) Do this after the

Page 152

PAPER DELIVERY SM 3-35 C252 Replacement and Adjustment 1. Turn the drum manually until the recess in the drum drive gear meets the positioning hole

Page 153 - SPECIFICATIONS

CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 154

MAIN DRIVE C252 3-36 SM 3.11 MAIN DRIVE 3.11.1 MAIN DRIVE TIMING BELT ADJUSTMENT After the timing belt is replaced, correct belt tension must be a

Page 155

MAIN DRIVE SM 3-37 C252 Replacement and Adjustment 3.11.2 MAIN MOTOR PULLEY POSITION After putting the pulley back on the main motor shaft, refer t

Page 156

FIRMWARE UPDATE C252 3-38 SM 3.12 FIRMWARE UPDATE The firmware in the EPROM on the MPU can be upgraded replacing the EPROM. 1. Before upgrading

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TROUBLESHOOTINGCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 159 - OVERALL INFORMATION

ERROR CODES SM 4-1 C252 Trouble shooting 4. TROUBLESHOOTING 4.1 ERROR CODES No. Symptom Possible cause E-00 Clamper error The MPU cannot detect the

Page 160 - 1. INSTALLATION

ELECTRICAL COMPONENT DEFECTS C252 4-2 SM 4.2 ELECTRICAL COMPONENT DEFECTS Component Condition Symptom Open The P jam indicator is lit whenever t

Page 161 - SM 8-3 C261

ELECTRICAL COMPONENT DEFECTS SM 4-3 C252 Trouble shooting Component Condition Symptom Open Clamper Open Sensor Shorted E-00 is displayed whenever th

Page 162 - 3.9 DRUM

FUSE, LED, VR, DIP-SW, AND TP TABLES C252 4-4 SM 4.3 FUSE, LED, VR, DIP-SW, AND TP TABLES 4.3.1 BLOWN FUSE CONDITIONS Main Board No. Rate Possib

Page 163 - SM 8-5 C261

FUSE, LED, VR, DIP-SW, AND TP TABLES SM 4-5 C252 Trouble shooting 4.3.4 TEST POINTS Main Board No. Function TP101 GND TP103 Measures the ink detect

Page 164 - C261 8-6 SM

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

Page 165 - 3.9.4 INK PUMP ADJUSTMENT

JAM DETECTION C252 4-6 SM 4.4 JAM DETECTION 4.4.1 MASTER EJECT JAM (E JAM LOCATION INDICATOR) Picking up the used master from the drum Check1: Wh

Page 166 - 3.10 PAPER DELIVERY

JAM DETECTION SM 4-7 C252 Trouble shooting Just after turning on the main switch Check: If the master eject sensor is on (master detected), the E jam

Page 167 - 4. TROUBLESHOOTING

JAM DETECTION C252 4-8 SM 4.4.3 MASTER FEED JAM (D JAM LOCATION INDICATOR) Cutting the master (master not cut) Check: While the drum is rotating

Page 168 - Solution

JAM DETECTION SM 4-9 C252 Trouble shooting Clamping the master Check: When the master eject position sensor turns on (drum at master eject position

Page 169 - Symptom

JAM DETECTION C252 4-10 SM 4.4.5 PAPER FEED JAM (A JAM LOCATION INDICATOR +  + ) Paper feed Check 1: If the registration sensor does not detect

Page 170

JAM DETECTION SM 4-11 C252 Trouble shooting 4.4.6 PAPER DELIVERY JAM (C JAM LOCATION INDICATOR) Paper delivery Check 1: When the drum has turned 2

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CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 172 - C261 8-14 SM

SERVICE TABLESCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

Page 174 - 6.10 MAIN CONTROL BOARD

SERVICE PROGRAM MODE SM 5-1 C252 Service Tables 5. SERVICE TABLES NOTE: The Service Program Mode is for use by service representatives only so that

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