iv
Confidential
3.9.6 Control Panel ASSY.......................................................................................3-81
3.9.7 Disassembly of Control Panel ASSY .............................................................3-82
3.9.8 Backup Battery, Speaker and Upper Cover...................................................3-87
3.9.9 Ink Cartridge Cover, Front Cover, Wireless LAN PCB and Media Module
Cover .............................................................................................................3-91
3.9.10 Main PCB.......................................................................................................3-93
3.9.11 LT Cover*, T2 Paper Pull-in Roller ASSY, and Jam Clear Cover..................3-98
3.9.12 MJ/PS Shield Unit (MJ PCB and Power Supply PCB).................................3-100
3.9.13 CR Encoder Strip and its Guard Film...........................................................3-105
3.9.14 Carriage PCB ASSY, Ink Refill ASSY and Ink Cartridge Detection
Sensor PCB .................................................................................................3-107
3.9.15 Ink Absorber Box, Ink Absorber Felt, and PF Encoder Disk........................3-113
3.9.16 Duplex-printing Related Components..........................................................3-115
3.9.17 Engine Unit, Flashing Box and Ink Cartridge Cover Switch.........................3-117
3.9.18 Components on the Engine Unit
(Earth spring, Maintenance unit, Carriage motor, CR support chassis,
Star wheel holder, Intermediate roller, Inner paper guide, Switchback
paper sensor PCB ASSY, Platen, DX chute roller holder ASSYs,
Inner chute ASSY, Registration sensor PCB ASSY and actuator,
PF encoder/PF sensor harness unit and actuator, PF encoder disk,
Paper feed motor, T1 paper pull-in roller ASSY) .........................................3-121
3.9.19 Paper Tray #1 ..............................................................................................3-134
3.9.20 Paper Tray #2 ..............................................................................................3-135
CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER
PARTS REPLACEMENT...............................................................................4-1
4.1 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT ........................4-1
[ 1 ] Update the head property data stored in the EEPROM on the main PCB*........4-2
[ 2 ] Clean the new head/carriage unit (Function code 76)........................................4-5
[ 3 ] Print out a nozzle test pattern (Function code 09)..............................................4-6
[ 4 ] Adjust the inclination of the head/carriage unit...................................................4-7
[ 5 ] Update the paper feeding correction value (Function code 58)........................4-10
[ 6 ] Adjust the height of the platen..........................................................................4-17
[ 7 ] Align vertical print lines in monochrome (Function code 65) ............................4-19
[ 8 ] Adjust margins in borderless printing (Function code 66).................................4-21
[ 9 ] Create head calibration data and write it into flash ROM
(Function code 02)............................................................................................4-24
[ 10 ] Print out a total quality check pattern................................................................4-27
[ 11 ] Switch back to standby.....................................................................................4-29
[ 12 ] Replace the ink cartridges with the protective part...........................................4-29
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