Service manual

4.1 Summary ......................................................................................................... 114
4.1.1 Warnings .................................................................................................. 114
4.1.2 Tools ........................................................................................................ 118
4.1.3 Screw List ................................................................................................ 118
4.2 Disassembly Flow ............................................................................................ 119
4.2.1 Removing the Housing ............................................................................ 120
4.2.1.1 Panel Unit Removal ......................................................................... 120
4.2.1.2 Paper Set Lever Removal ................................................................ 122
4.2.1.3 H Top Cover Removal .................................................................... 123
4.2.1.4 R Side Cover Removal .................................................................... 124
4.2.1.5 L Side Cover Removal .................................................................... 124
4.2.1.6 I/C Holder Cover Removal .............................................................. 125
4.2.1.7 Rear Cover Removal ....................................................................... 126
4.2.1.8 Paper Guide L Removal .................................................................. 128
4.2.1.9 Roll Paper Cover Removal .............................................................. 130
4.2.1.10 Front Cover Removal .................................................................... 130
4.2.1.11 Removing Paper Guide U .............................................................. 131
4.2.2 Circuit Board Removal ............................................................................ 133
4.2.2.1 Power Board Removal ..................................................................... 133
4.2.2.2 HJFK / Dummy Board Removal ..................................................... 134
4.2.2.3 C362MAIN Board Removal ........................................................... 135
4.2.2.4 CSIC Board Removal. ..................................................................... 137
4.2.2.5 C362DRV Board Removal .............................................................. 138
4.2.2.6 P/S Fan Removal ............................................................................. 141
4.2.3 Printer Mechanism Disassembly ............................................................. 142
4.2.3.1 Replacing the Waste Ink Unit ......................................................... 143
4.2.3.2 Removing the Suction Fans ............................................................. 146
4.2.3.3 Replacing the Printheads ................................................................. 151
4.2.3.4 Removing the Cutter and Cutter unit .............................................. 158
4.2.3.5 Removing the CR Encoder Sensor .................................................. 160
4.2.3.6 Removing the P_Edge Sensor ......................................................... 160
4.2.3.7 Removing the Ink Cartridge Holder & Slots ................................... 161
4.2.3.8 Removing the CR Motor / Pulley ASSY ......................................... 163
4.2.3.9 Removing the PF Motor ASSY ....................................................... 164
4.2.3.10 Removing the PF Encoder ............................................................. 166
4.2.3.11 Removing the Cleaning Unit ......................................................... 167
4.2.3.12 Removing Flushing Box ................................................................ 170
4.2.3.13 Removing Dot Missing Detector ................................................... 171
4.2.3.14 Removing the Suction Control Motor ........................................... 173
4.2.3.15 Removing the Ink Pump ASSY ..................................................... 173
4.2.3.16 Removing the T Fence (Scale 180a) ............................................. 174
4.2.3.17 Removing the Paper Hold Solenoid ............................................. 175
4.2.3.18 Removing the HEAD_SLIDE Sensor ASSY ................................ 177
4.2.3.19 Removing the PG Motor / Drive Gear .......................................... 177
4.2.3.20 Removing the CR_HP Sensor ....................................................... 179
4.2.3.21 Removing the Paper Release Sensor ............................................. 181
4.2.3.22 Removing the P_FRONT Sensor ASSY ....................................... 181
4.2.3.23 Removing the P_REAR Sensor ASSY ......................................... 183
4.2.3.24 Removing the Front Cover Sensor ASSY ..................................... 183
4.2.3.25 Removing the I/C Holder Cover Sensor ASSY ............................ 184
4.2.3.26 Removing the P_THICK Sensor ................................................... 185
5.1 Adjustment Outline ........................................................................................ 188
5.1.1 Precautions ............................................................................................... 188
5.1.2 Adjustment Tools .................................................................................... 188
5.1.3 Adjustment Items ..................................................................................... 190
5.2 Adjustment Steps ............................................................................................ 191
5.2.1 Parameter Backup .................................................................................... 191
5.2.2 Firmware Upload ..................................................................................... 193
5.2.3 Mechanism Adjustment ........................................................................... 194
5.2.3.1 CR steal belt tension adjustment ..................................................... 195
5.2.3.2 PF timing belt tension adjustment ................................................... 197
5.2.3.3 P_THICK sensor fixing bracket adjustment ................................... 197
5.2.3.4 Cutter position adjustment .............................................................. 198
5.2.3.5 Front cover sensor adjustment ......................................................... 199
5.2.3.6 Slide idler gear / Slide motor fixing plate adjustment ..................... 199
5.2.3.7 T fence and CR encoder position adjustment .................................. 200
5.2.3.8 Head slant adjustment ..................................................................... 200
5.2.3.9 Offset adjustment for dot missing detector ..................................... 201
5.2.3.10 P_Front/Rear/Edge sensor adjustment .......................................... 201
5.2.3.11 Paper feeding adjustment .............................................................. 203
5.2.3.12 Cutter Pressure Adjustment ........................................................... 206
5.2.4 Program, User data install ....................................................................... 207
5.2.5 USB-ID backup ....................................................................................... 207
5.3 Self-Diagnostics ............................................................................................... 208
5.3.1 Start-up procedure ................................................................................... 213
5.3.2 Button operation during the Self-Diagnostics ......................................... 214
5.3.2.1 Top menu ......................................................................................... 214
5.3.3 Test .......................................................................................................... 215
5.3.3.1 Test menu sequence ........................................................................ 215