Ricoh JP735 Service Manual Page 159
- Page / 174
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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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 compliance with the RoHS and WEEE directives.
This service manual details information unique to the C261 and some additional
contents for the C261 for servicing in the field. Please add the manual insert into
your C252 Service Manual.
Comments for Each Section:
C252/C261: Some additional contents to the C252/C261 service manual (these
contents apply to both the C252 and C261 models).
C261 only: These contents are only for the C261 model.
Service Manual:
Section Item Remarks
1 Installation
Some new contents concerning the installation
were added.
• Accessory check
• Installation procedure
2 Preventive maintenance No differences
3 Replacement and adjustment
Some new contents concerning the
replacements and adjustments were added.
• Close screen
• Clamper/Metal screen
• Ink pump adjustment
• Vacuum fan motor position
4 Troubleshooting
Some new contents concerning troubleshooting
were added
• Others
5 Service table No differences
6 Detailed section descriptions
Some new contents concerning the detailed
section description were added.
• Image processing flow (C261 only)
• Registration guide plate
• Detection of master on the drum (C261 only)
• Metal screen
• Paper delivery unit drive mechanism (C261
only)
• Main control board
7 Point to point diagram Separated from Service Manual.
Spec Specifications No differences
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA
- C252/C261 1
- SERVICE MANUAL 1
- CÓPIA NÃO CONTROLADA 10
- DOCUMENTATION HISTORY 11
- TROUBLESHOOTING 14
- SERVICE TABLES 15
- SM v C252/C261 17
- IMPORTANT SAFETY NOTICES 19
- Symbols 20
- INSTALLATION 23
- 1.1.5 DIMENSIONS 26
- 1.2 INSTALLATION PROCEDURE 27
- CAUTION 28
- INSTALLATION PROCEDURE 29
- INSTALLATION PROCEDURE 30
- Accessory Check 37
- Installation Procedure 37
- PREVENTIVE MAINTENANCE 39
- 2. PREVENTIVE MAINTENANCE 41
- REPLACEMENT AND ADJUSTMENT 43
- 3.1 GENERAL CAUTION 45
- 3.2 COVERS 45
- 3.2.2 REAR COVER 46
- 3.3 BOARDS 47
- 3.3.2 PSU 48
- 3.4 SCANNER 49
- SCANNER 50
- 3.4.3 DOCUMENT SENSOR 51
- 3.4.4 SCANNER MOTOR 51
- 3.5 MASTER FEED 52
- 3.5.2 THERMAL HEAD 53
- Installation 54
- CAUTION 55
- 3.6 MASTER EJECT 57
- 3.7 PAPER FEED 58
- 3.8 PRINTING 61
- PRINTING 62
- PRINTING 63
- C252 3-24 SM 68
- SM 3-27 C252 71
- Replacement 71
- Adjustment 71
- SM 3-29 C252 73
- 3.10.4 EXIT PAWL ADJUSTMENT 77
- Timing adjustment 78
- 3.11 MAIN DRIVE 80
- MAIN DRIVE 81
- 3.12 FIRMWARE UPDATE 82
- 4.3.1 BLOWN FUSE CONDITIONS 88
- 4.3.2 LED’S 88
- 4.3.3 VR’S 88
- 4.3.4 TEST POINTS 89
- 4.3.5 DIP SWITCHES 89
- 4.4 JAM DETECTION 90
- JAM DETECTION 91
- JAM DETECTION 92
- Clamping the master 93
- Wrapping jam 93
- Check 1: 93
- Paper feed 94
- Paper delivery 95
- 5. SERVICE TABLES 99
- SERVICE PROGRAM MODE 101
- SERVICE PROGRAM MODE 102
- Paper Feed Direction 103
- 5.2 DIP SWITCHES 104
- ADJUSTMENT 106
- CONTROL 107
- DIP SWITCHES 108
- ADJUSTMENT 109
- DETAILED DESCRIPTIONS 111
- 6.1 MECHANISM OVERVIEW 113
- MECHANISM OVERVIEW 114
- Switches 115
- Solenoids 115
- Counters 115
- Sensors 116
- 6.1.3 DRIVE LAYOUT 117
- 6.2 MASTER EJECT UNIT 118
- Clamper Mechanism 119
- Mechanism 120
- Procedure 120
- 6.3 SCANNER UNIT 122
- 6.4 IMAGE PROCESSING 123
- 6.5 MASTER FEED 124
- 6.5.2 MASTER FEED MECHANISM 125
- 6.5.4 CUTTER MECHANISM 127
- MASTER FEED 128
- 6.6 DRUM 129
- 6.6.2 DRUM DRIVE MECHANISM 130
- 6.6.3 INK SUPPLY MECHANISM 131
- 6.6.4 INK ROLLER MECHANISM 132
- 6.6.5 INK SUPPLY CONTROL 133
- C252 6-22 SM 134
- 6.7 PAPER FEED 135
- 6.7.2 PAPER FEED MECHANISM 136
- PAPER FEED 137
- Registration Roller Drive 138
- PAPER FEED 140
- 6.7.7 RE-FEEDING MECHANISM 141
- 6.7.8 PAPER TABLE MECHANISM 142
- Side fence friction pads 143
- 6.8 PAPER DELIVERY 144
- Air knife 146
- PAPER DELIVERY 147
- PAPER DELIVERY 148
- 6.9 TIMING CHART 149
- 6.9.2 MASTER WRAPPING 150
- 6.9.3 PRINTING 151
- SPECIFICATIONS 153
- OVERALL INFORMATION 159
- 1. INSTALLATION 160
- SM 8-3 C261 161
- 3.9 DRUM 162
- SM 8-5 C261 163
- C261 8-6 SM 164
- 3.9.4 INK PUMP ADJUSTMENT 165
- 3.10 PAPER DELIVERY 166
- 4. TROUBLESHOOTING 167
- Solution 168
- Symptom 169
- C261 8-14 SM 172
- 6.10 MAIN CONTROL BOARD 174
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