7$%/(2)&217(176
7$%/(2)&217(1767$%/(2)&217(176
7$%/(2)&217(176
1. DISASSEMBLYAND REPLACEMENT (#1~#22)
2. PARTSLIST
3. P.C.B.CIRCUIT DI AGRAM
4. C.P.UBLOCK DIAGRAMAND PIN ASSIGNMENT
5. MEASUREMENT
VOLTAGECHECK
MOTOR OPERATION CHECK
PRINT HEAD RESISTANCE MEASUREMENT
SENSORS CIRCUIT
CPU OPERATION