Ricoh DDP70, Maintenance Manual

Page: 74 / 137

Troubleshooting
5-25
M M L 0 0
5.2.15. E2C9 BELT POS. ERROR
PRIMARY FACTOR; During the Paper Exit Belt operation, the Belt cannot be detected.
PHENOMENON CAUSES & CHECK POINTS CORRECTIONS Maintenance
Ref + Page
1. This phenomenon
occurs because
the Paper Exit
Belt does not
operate. 1. The drive system for the
Belt operation is faulty. Check: Paper Exit Belt or its
environs.
2. Motor fault. Replace: Conveyance
Motor (M7).
3.4, 3-3
3. The breaking of cables or
the disconnecting of
connectors. Repair the cable CN1/CN5-M7 or
reset the connector in the correct
position.
4. PCB fault. Replace: FS-104H P/K
4.3.11, 4-16
2. This phenomenon
occurs though the
Paper Exit Belt
operates. 1. The sensor is
contaminated. Cleaning: Paper Exit Belt HP
Sensor(PS9) and its environs.
3.5, 3-5
2. The mounting of the
sensor is faulty. Reset the Paper Exit Belt HP
Sensor(PS9) correctly.
3.5, 3-5
3. The breaking of cables or
the disconnecting of
connectors. Repair the cable CN6-PS9 or
reset the connector in the correct
position.
4. Sensor fault. Replace: Paper Exit Belt HP
Sensor(PS9)
3.5, 3-5
5. PCB fault. Replace: FS-104H P/K
4.3.11, 4-16
Refer to
Figure 5-9
.