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Ricoh JP735 Service Manual Page 38
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Table of contents
TROUBLESHOOTING
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CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA
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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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