Service manual

2DA/2DB
1-5-35
Problem Causes Check procedures/corrective measures
(5)
The scanner motor
does not operate.
(6)
Cooling fan motor 1
does not operate.
(7)
Cooling fan motor 2
does not operate.
(8)
Cooling fan motor 3
does not operate.
(9)
The drawer drive
motor* does not op-
erate.
(10)
The paper feed
clutch does not op-
erate.
(11)
The bypass paper
feed solenoid does
not operate.
Broken scanner motor coil.
Poor contact in the scan-
ner motor connector termi-
nals.
Broken cooling fan motor 1
coil.
Poor contact in the cooling
fan motor 1 connector ter-
minals.
Broken cooling fan motor 2
coil.
Poor contact in the cooling
fan motor 2 connector ter-
minals.
Broken cooling fan motor 3
coil.
Poor contact in the cooling
fan motor 3 connector ter-
minals.
Poor contact in the drawer
drive motor connector ter-
minals.
Broken drawer drive motor
gear.
Defective drawer drive mo-
tor.
Defective drawer main
PCB.
Broken paper feed clutch
coil.
Poor contact in the paper
feed clutch connector ter-
minals.
Defective engine PCB.
Broken bypass paper feed
solenoid coil.
Poor contact in the bypass
paper feed solenoid con-
nector terminals.
Defective engine PCB.
Check for continuity across the coil. If none, replace the scanner
motor.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 1.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 2.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Check for continuity across the coil. If none, replace cooling fan
motor 3.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, repair or replace the cable.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check visually and replace the drawer drive motor if necessary.
Run maintenance item U030 and check if the drawer drive motor
operates when YC9-2,3,4,5 on the drawer main PCB goes low.
If not, replace the drawer drive motor.
Run maintenance item U030 and check if YC9-2,3,4,5 on the
drawer main PCB goes low. If not, replace the drawer main
PCB.
Check for continuity across the coil. If none, replace the paper
feed clutch.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC8-3 on the engine
PCB goes low. If not, replace the engine PCB.
Check for continuity across the coil. If none, replace the bypass
paper feed solenoid.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U032 and check if YC8-5 on the engine
PCB goes low. If not, replace the engine PCB.
*: 20 ppm model only.