Service manual

REV.-A

Flowchart (2) carriage operation abnormal

START

CN3, 4, 5, 6, 7, 8, 9, and 13

connecting the BOARD

ASSY.,

C094

MAI

Secure the connectors.

and the printer mechanism

Yes

problem corrected?

coil resistance correct

(5 ohms +/- 7

‘%.

at room

Replace the BOARD

ASSY,,

C094

MAIN.

END

problem corrected?

Refer to Section 5.5,

Repairing the Printer

Mechanism.

END

Note: If any coils in the CR motor are shorted, also test the

motor drivers on the BOARD

ASSY.,

C094

MAIN.

5-6