Ricoh DDP70, Maintenance Manual

Page: 73 / 137

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DDP70 Finisher Maintenance Manual
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5.2.14. E2C8 SHIFT POS. ERROR
Figure 5-9. Error Code E2C8
PRIMARY FACTOR; During the Shift operation, the Shift cannot be detected.
PHENOMENON CAUSES & CHECK POINTS CORRECTIONS Maintenance
Ref + Page
1. This phenomenon
occurs because
the Shift does not
operate. 1. The drive system for the
Shift is faulty. Adjust: Shift position
Check: Shift or its environs.
6.7.4, 6-34
2. Motor fault. Replace: Roller Shift Motor (M2).
3.4, 3-3
3. The breaking of cables or
the disconnecting of
connectors. Repair the cable CN1-M2 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
Shift operates. 1. The sensor is
contaminated. Cleaning: Roller Shift HP Sensor
(PS18) and its environs.
3.5, 3-5
2. The mounting of the
sensor is faulty. Reset the Roller Shift HP Sensor
(PS18) in the correct position.
3.5, 3-5
3. The breaking of cables or
the disconnecting of
connectors. Repair the cable CN5-PS18 or
reset the connector in the correct
position.
4. Sensor fault. Replace: Roller Shift HP Sensor
(PS18)
3.5, 3-5
5. PCB fault. Replace: FS-104H P/K
4.3.11, 4-16
FS-104H P/K
PAPER EXIT
OPENING
PS12
PS12-IN
B1
B2
1
2
M2
M2 DRV
P.GND
ROLLER
SHIFT
PS18
PS18-IN
CN102
SNS
M7
VCC
GND
24V
24V GND
M7 CONT
CLT
CN107
A2
B2
A4
A11
A10
A7
1
2
3
5
6
4
B3
B4
1
2
M8
M8 DRV
P.GND
CN108
A12
7
HP SNS
GAIN
CONVEYANCE MOTOR (M7)
ROLLER SHIFT
PAPER EXIT
MOTOR
OPENING MOTOR
PAPER
EXIT 1 SNS
PS6
A6
A10
B7
VCC
PS6-IN
RTN
1
2
3
CN5
1
2
3
1
2
3
CN5
CN1
PAPER EXIT
SNS
PS9
A2
A9
B5
VCC
PS9 IN
GND
BELT HP
CN6
1
2
3