Ricoh JP735 Servisní příručka stáhnout pdf (Strana 140)

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 sensor [A] can be removed by operating a lever [B]. The

technician should do this every visit.

C252D029.WMF

[A]

[B]

CÓPIA NÃO CONTROLADA

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 173 174

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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