7
7
7-119
7-119
Error•Jam•Alarm■>■Alarm■Code
Error•Jam•Alarm■>■Alarm■Code
Location■
Code
Alarm■
Code
Description
Details
29
0301 Drum■(C)■pre-exposure■alarm An■error■in■pre-exposure■of■the■drum■(C)■was■
detected.
Detection■condition/timing:■Warm-up■rotation
Detection■condition:■When■the■difference■in■
detection■value■is■within■the■specified■value■when■
the■pre-exposure■light■intensity■is■changed
Remedy:
1.■Visual■check■in■service■mode>COPIER-
>FUNCTION->MISC-P->PRE-EXP
If■the■LED■is■OFF,■perform■the■following■
measures.■
1-1.■Check■the■harness/connector■between■the■
DC■Controller■(J137)■and■the■Pre-exposure■
LED■Driver■(J138).
1-2.■Check■the■harness/connector■between■
the■Pre-exposure■LED■Driver■(J139)■and■the■
Relay■(J1422).
1-3.■Replace■the■harness■between■the■DC■
Controller■(J137)■and■the■Pre-exposure■LED■
Driver■(J138).
1-4.■Replace■the■harness■between■the■Pre-
exposure■LED■Driver■(J139)■and■the■Relay■
(J1422).
1-5.■Replace■the■Pre-exposure■LED■Driver■
(DCDC).
1-6.■Replace■the■DC■Controller■PCB.
1-7.■Check■the■harness/connector■between■
the■Relay■(J1422)■and■each■LED■PCB.
1-8.■Replace■the■harness■between■the■Relay■
(J1422)■and■each■LED■PCB.
1-9.■Replace■each■LED■PCB.
<Target■parts>
FM1-C993-000■DC■CONTROLLER
FM1-D808-000■Pre-exposure■LED■Driver■
PCB(DCDC)
FM1-D807-000■LED■PCB
FM1-D865■LED_DRV_RELAY_CABLE
FM1-D864■DCON_LED_DRV_CABLE
FM1-D866■EXP_LED_CABLE
Location■
Code
Alarm■
Code
Description
Details
29
0401 Drum■(K)■pre-exposure■alarm An■error■in■pre-exposure■of■the■drum■(K)■was■
detected.
Detection■condition/timing:■Warm-up■rotation
Detection■condition:■When■the■difference■in■
detection■value■is■within■the■specified■value■when■
the■pre-exposure■light■intensity■is■changed
Remedy:
1.■Visual■check■in■service■mode>COPIER-
>FUNCTION->MISC-P->PRE-EXP
If■the■LED■is■OFF,■perform■the■following■
measures.■
1-1.■Check■the■harness/connector■between■the■
DC■Controller■(J137)■and■the■Pre-exposure■
LED■Driver■(J138).
1-2.■Check■the■harness/connector■between■
the■Pre-exposure■LED■Driver■(J139)■and■the■
Relay■(J1422).
1-3.■Replace■the■harness■between■the■DC■
Controller■(J137)■and■the■Pre-exposure■LED■
Driver■(J138).
1-4.■Replace■the■harness■between■the■Pre-
exposure■LED■Driver■(J139)■and■the■Relay■
(J1422).
1-5.■Replace■the■Pre-exposure■LED■Driver■
(DCDC).
1-6.■Replace■the■DC■Controller■PCB.
1-7.■Check■the■harness/connector■between■
the■Relay■(J1422)■and■each■LED■PCB.
1-8.■Replace■the■harness■between■the■Relay■
(J1422)■and■each■LED■PCB.
1-9.■Replace■each■LED■PCB.
<Target■parts>
FM1-C993-000■DC■CONTROLLER
FM1-D808-000■Pre-exposure■LED■Driver■
PCB(DCDC)
FM1-D807-000■LED■PCB
FM1-D865■LED_DRV_RELAY_CABLE
FM1-D864■DCON_LED_DRV_CABLE
FM1-D866■EXP_LED_CABLE