
Contents
1 Structure & Spare Parts
OVERVIEW ......................................................................1-1
1-1 COVER ............................................................................1-2
1-2 PANEL ..............................................................................1-3
1-3 FRAME .............................................................................1-4
1-4 LEVER..............................................................................1-5
1-5 BED .................................................................................1-6
1-6 RAIL .................................................................................1-8
1-7 CHASSIS .......................................................................1-10
1-8 SCAN MOTOR .............................................................. 1-11
1-9 FEED MOTOR ...............................................................1-12
1-10 HEAD CARRIAGE .......................................................1-13
1-11 AUTO CUTTER ............................................................1-14
1-12 WIPER .........................................................................1-15
1-13 CAP ..............................................................................1-16
1-14 PUMP ...........................................................................1-17
1-15 INK CARTRIDGE (RF-640) ..........................................1-18
1-16 INK CARTRIDGE (RF-640A)........................................1-19
1-17 CHOKE VALVE(RF-640) ..............................................1-20
1-18 CHOKE VALVE (RF-640A)...........................................1-21
1-19 INK TUBE WIRING (RF-640) .......................................1-22
1-20 INK TUBE WIRING (RF-640A).....................................1-23
1-21 PINCH ROLLER ...........................................................1-24
1-22 STAND..........................................................................1-25
1-23 ACCESSORY 1 ............................................................1-26
1-24 ACCESSORY 2 ............................................................1-27
2 Electrical Section
2-1 WIRING MAP(RF-640) ....................................................2-1
2-2 WIRING MAP(RF-640A) ..................................................2-3
2-3 MAIN BOARD ..................................................................2-5
2-4 SERVO BOARD ............................................................2-20
2-5 CARRIAGE BOARD .......................................................2-26
2-6 SUB BOARD ..................................................................2-29
2-7 MAINTENANCE PARTS LIST ........................................2-34
2-8 POWER PUFF BOARD..................................................2-35
2-9 CARTRIDGE LED BOARD.............................................2-37
2-10 BUBBLE DRIVE BOARD..............................................2-39
3 Replacement of Main Parts
3-1 HEAD REPLACEMENT ...................................................3-4
3-2 DAMPER REPLACEMENT ........................................... 3-11
3-3 WIPER REPLACEMENT ...............................................3-19
3-4 FELT WIPER REPLACEMENT .....................................3-22
3-5 CAP TOP REPLACEMENT ...........................................3-25
3-6 CARRIAGE MOTOR REPLACEMENT ..........................3-30
3-7 FEED MOTOR REPLACEMENT ...................................3-36
3-8 PUMP REPLACEMENT ................................................3-47
3-9 BOARD REPLACEMENT (MAIN BOARD).....................3-52
3-10 BATTERY REPLACEMENT ........................................3-62
3-11 CARRIAGE BELT REPLACEMENT ...........................3-65
3-12 ENCODER SCALE REPLACEMENT ..........................3-71
3-13 GRIT ENCODER REPLACEMENT ............................3-73
3-14 PINCH ROLLER REPLACEMENT ..............................3-77
3-15 LINEAR ENCODER BOARD REPLACEMENT ...........3-78
3-16 HOW TO FOLD RIBBON CABLE TO THE HEAD .......3-83
3-17 INK TUBE REPLACEMENT ........................................3-86
3-18 RIBBON CABLE (MAIN BOARD TO CARRIAGE BOARD)
REPLACEMENT ..........................................................3-92
3-19 CHOKE VALVE REPLACEMENT ..............................3-102
3-20 CHOKE VALVE UNIT ASSEMBLY .............................3-106
4 Adjustment
4-1 SERVICE MODE ..............................................................4-2
4-2 HOW TO UPGRADE/INSTALL FIRMWARE...................4-14
4-3 HEAD ALIGNMENT ........................................................4-21
4-4 LIMIT POSITION & CUT DOWN POSITION
INITIALIZE .....................................................................4-25
4-5 LINEAR ENCODER SETUP ..........................................4-27
4-6 FLUSHING POSITION ADJUSTMENT...........................4-29
4-7 CALIBRATION(FEEDING DIRECTION) ........................4-31
4-8 BELT TENSION ADJUSTMENT .....................................4-33
4-9 BELT POSITION ADJUSTMENT ...................................4-36
4-10 PAPER SIDE SENSOR ADJUSTMENT .......................4-43
5 Supplemental Information
5-1 SPECIAL TOOLS..............................................................5-1
5-2 SENSOR MAP ..................................................................5-
2
5-3 MOTOR ERROR...............................................................5-
5
5-4 SERVICE CALL ................................................................5-
6
6 Service Activities
6-1 INSTALLATION CHECK LIST ..........................................6-1
6-2 MAINTENANCE CHECK LIST........................................6-13
6-3 SPECIFICATION.............................................................6-14
Revised 9