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HOW TO CHECK THE UNIT
1. Connect the AC power cord. 2. Press the Power switch to turn on the power. 3. The unit will be set into Initial settings as shown below. If the unit is mulfunction, the unit will stop in the step. Turn on the power Notes: Discriminates the carriage No. of the Carriage switches *Push the front side switch v CARRIAGE No.1 *Push the rear side switch v CARRIAGE No.2 *Push the both side switches v CARRIAGE No.3 *CM07 switch defective (Switch is OFF, while its knob is pushed ON) *CARRIAGE defective (CM13, CM14) *PW BOARD C (CM07) incompletely soldered *Control PW BOARD attached in the final process defective *CLAMPER (CM32) not closely mounted *PW BOARD C (CM07) incompletely soldered *Motor (CM49) defective *Control PW BOARD attached in the final process defective
Discriminates CARRIAGE switch
OFF
Motor CARRIAGE (CM49) drive
Inactive
Belt (CM44) drive Inactive *Belt datached or cut *Motor pulley turns idly
Rotate the GEAR (CM31,30,28,26) ,and SHAFT (CM24), and GEAR (CM27) *No clearance around the gear shafts *Foreign matters get caught in the teeth of the gears *Shaft attaching screws insufficiently tightened
Not rotate
Rotates the gears of HOLDER (CM04) "R" to drive the CARRIAGEs Inactive
*HOLDER(CM04) "L" is out of sync with "R" *HOLDER(CM04)"R" insufficiently engaged with the gear(CM27) *Foreign matters get caught in the teeth of the HOLDER (CM04)"R" and "L" *Teeth of the HOLDER(CM04)"R" and "L" broken Notes: When a CARRIAGE stops displaced, though no error is detected in the initial operation, the displacement leads DRAWER2 to open. Because, when opening the CARRIAGE at the PLAY position, the displaced CARRIAGE hits the CARRIAGE which rises from the PLAY position, which prevents the latter CARRIAGE from rising further and slides it down
Stops CARRIAGE at the proper position
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