Epson SC-T7000 series Service Manual page 8

SC-T7000 series/SC-T5000 series/SC-T3000 series
3.4.2.11 RIGHT BASE COVER .................................................................... 97
3.4.2.12 LEFT LOWER COVER ................................................................... 98
3.4.2.13 REAR RIGHT LOWER COVER .................................................... 99
3.4.2.14 UPPER LEFT COVER .................................................................. 100
3.4.2.15 LEFT UPPER COVER & LEFT ROLL COVER .......................... 101
3.4.2.16 LEFT BASE COVER ..................................................................... 102
3.4.2.17 FRONT LEFT LOWER COVER ................................................... 103
3.4.2.18 REAR LEFT LOWER COVER ..................................................... 104
3.4.2.19 REAR ROLL COVER FRAME ..................................................... 105
3.4.2.20 CARTRIDGE COVER SENSOR .................................................. 106
3.4.2.21 R WASTE INK COVER SENSOR ................................................ 107
3.4.2.22 L WASTE INK COVER SENSOR ................................................ 108
3.4.2.23 INTERLOCK SWITCH ................................................................. 109
3.4.3 Electric Circuit Components .................................................................... 111
3.4.3.1 MAIN BOARD ................................................................................ 111
3.4.3.2 MAIN-B BOARD ............................................................................ 113
3.4.3.3 MAIN-C BOARD ............................................................................ 114
3.4.3.4 SUB BOARD ................................................................................... 115
3.4.3.5 SUB-B BOARD ............................................................................... 117
3.4.3.6 PSH BOARD .................................................................................... 118
3.4.3.7 PANEL BOARD .............................................................................. 120
3.4.4 Carriage Mechanism / Ink System Mechanism ....................................... 122
3.4.4.1 CR COVER ...................................................................................... 122
3.4.4.2 DAMPER KIT .................................................................................. 123
3.4.4.3 PRINT HEAD .................................................................................. 126
3.4.4.4 HEAD FFC ....................................................................................... 127
3.4.4.5 CR FFC ............................................................................................. 131
3.4.4.6 CR SCALE ....................................................................................... 135
3.4.4.7 CR ENCODER ................................................................................. 138
3.4.4.8 CR TIMMING BELT ....................................................................... 139
3.4.4.9 CR MOTOR ..................................................................................... 141
3.4.4.10 CR HP SENSOR ............................................................................ 143
3.4.4.11 APG UNIT ..................................................................................... 144
3.4.4.12 PG SENSOR ................................................................................... 146
3.4.4.13 PUMP CAP UNIT .......................................................................... 147
3.4.4.14 IC HOLDER ................................................................................... 148
3.4.4.15 INK TUBE ..................................................................................... 152
3.4.4.16 CR UNIT ........................................................................................ 156
3.4.4.17 IM SENSOR ................................................................................... 159
3.4.4.18 PW SENSOR .................................................................................. 161
3.4.5 Paper Feed Mechanism ............................................................................ 163
3.4.5.1 PF MOTOR ...................................................................................... 163
3.4.5.2 PF SCALE ........................................................................................ 165
3.4.5.3 PF ENCODER .................................................................................. 166
3.4.5.4 PF TIMING BELT ........................................................................... 168
3.4.5.5 PRESSURE ROLLER ...................................................................... 170
3.4.5.6 PRESSURE ROLLER MOTOR ...................................................... 171
3.4.5.7 PRESSURE ROLLER SENSOR ..................................................... 173
3.4.5.8 ATC MOTOR .................................................................................. 175
3.4.5.9 PE SENSOR (ROLL PAPER) ......................................................... 177
3.4.5.10 PE SENSOR (THICK PAPER) ...................................................... 178
3.4.5.11 PAPER THICKNESS SENSOR .................................................... 180
3.4.6 Cutter Mechanism .................................................................................... 181
3.4.6.1 CUTTER UNIT ................................................................................ 181
3.4.7 Fans .......................................................................................................... 183
3.4.7.1 BOARD BOX FAN ......................................................................... 183
3.4.7.2 SUCTION FAN ................................................................................ 184
3.4.8 Auto Take-up Reel ................................................................................... 185
3.4.8.1 TAKE-UP REEL COVER ............................................................... 185
3.4.8.2 TAKE-UP REEL SENSOR ............................................................. 186
3.4.8.3 TAKE-UP REEL LED ..................................................................... 187
3.4.8.4 TAKE-UP REEL SWITCH ............................................................. 188
3.4.8.5 TAKE-UP REEL PS BOARD ......................................................... 190
3.4.8.6 TAKE-UP REEL MOTOR .............................................................. 192
3.4.8.7 TAKE-UP REEL MAIN BOARD ................................................... 194
Chapter 4 ADJUSTMENT
4.1 Overview .......................................................................................................... 198
4.1.1 Precautions ............................................................................................... 198
4.1.2 Adjustment Items and the Order by Repaired Part .................................. 199
4.1.3 Adjustment Items ..................................................................................... 211
4.1.4 List of Tools/Software/Consumables for Adjustments ........................... 219
4.1.5 Service Program Basic Operations .......................................................... 220
4.2 NV-RAM BACKUP/NVRAM Viewer ............................................................ 221
4.2.1 NVRAM Read Procedure ........................................................................ 221
4.2.2 NVRAM Write Procedure ....................................................................... 221
4.2.3 NVRAM Viewer Basic Operation ........................................................... 222
4.3 ADJUSTMENTS (Individual) ......................................................................... 227
4.4 ADJUSTMENTS (Sequence) ........................................................................... 228
Revision B
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