Canon imageRUNNER ADVANCE C3325 Series Service Manual page 448

Error■ Detail■
Location Item
code Code
E020 03B8 05 Title ATR■Sensor■(C)■output■error
Detection■ The■output■value■did■not■exceed■120■although■the■control■voltage■
description of■the■ATR■Sensor■(C)■in■the■Developing■Unit■(C)■was■increased■
to■192■or■higher,■or■it■did■not■fall■below■120■although■the■voltage■
was■decreased■to■42■at■initialization.
Remedy [Related■parts]
•■ Harnesses■from■the■ATR■Sensor■(C)■to■the■DC■Controller■PCB
1.■ATR■Sensor■(C)■(UN23/J1052)■to■Developing■Unit■(C)■(J1042)■
(Unit■of■replacement:■CABLE,■DEVELOPING)
2.■Developing■Unit■(C)■(J1042)■to■Relay■Connector■(4P)■(Unit■of■
replacement:■CABLE,■RELAY)
3.■Relay■Connector■(4P)■to■DC■Controller■PCB■(UN04/J128)■(Unit■
of■replacement:■CABLE,■SENSOR)
•■ Developing■Unit■(C)■(Unit■of■replacement:■DEVELOPING■
ASSEMBLY,■C)
•■ DC■Controller■PCB■(UN04)■(Unit■of■replacement:■DC■
CONTROLLER■PCB■ASSEMBLY)
[Remedy]■Check/replace■the■related■harness/cable,■connector■
and■parts.
[Reference]■Before■replacing■the■DC■Controller■PCB,■back■up■the■
service■mode■data■(approx.■2■min)■and■restore■the■backup■data■
after■the■replacement■so■the■data■may■be■able■to■be■protected.
•■ Backup:■COPIER■(LEVEL2)>■FUNCTION>■SYSTEM>■
DSRAMBUP
•■ Restoration:■COPIER■(LEVEL2)>■FUNCTION>■SYSTEM>■
DSRAMRES
7
Error•Jam•Alarm■>■Error■Code■>■Error■Code■Details
Description
7 Error•Jam•Alarm■>■Error■Code■>■Error■Code■Details
Error■ Detail■
Location Item
code Code
E020 03C8 05 Title Error■in■take-up■of■Sealing■Member■(C)
Detection■ The■patch■output■value■(SigR)■failed■to■be■900■or■less■during■
description initialization■of■the■Developing■Unit■(C).
Remedy [Related■parts]
•■ Harnesses■from■the■Registration■Patch■Sensor■Unit■to■the■DC■
Controller■PCB
1.■Registration■Patch■Sensor■Unit■to■Relay■Connector■(16P)■(Unit■
of■replacement:■REGISTRATION■SENSOR■ASSEMBLY)
2.■Relay■Connector■(16P)■to■DC■Controller■PCB■(UN04/J120)■(Unit■
of■replacement:■NEW■OLD■SENSING■HOLDER■ASS'Y)
•■ Harness■between■the■Secondary■Transfer■High■Voltage■PCB■
(UN03/J501■and■J502)■and■the■DC■Controller■PCB■(UN04/J114■
and■J112)■(Unit■of■replacement:■CABLE,■2ND■TRNSFR.■H.V.■
PCB)
•■ Registration■Patch■Sensor■Unit■(Unit■of■replacement:■
REGISTRATION■SENSOR■ASSEMBLY)
•■ Developing■Unit■(C)■(Unit■of■replacement:■DEVELOPING■
ASSEMBLY,■C)
•■ Secondary■Transfer■High■Voltage■PCB■(UN03)■(Unit■of■
replacement:■2ND■TRANSFER■H.V.■PCB■ASSEMBLY)
•■ DC■Controller■PCB■(UN04)■(Unit■of■replacement:■DC■
CONTROLLER■PCB■ASSEMBLY)
[Remedy]■Check/replace■the■related■harness/cable,■connector■
and■parts.
[Reference]■Before■replacing■the■DC■Controller■PCB,■back■up■the■
service■mode■data■(approx.■2■min)■and■restore■the■backup■data■
after■the■replacement■so■the■data■may■be■able■to■be■protected.
•■ Backup:■COPIER■(LEVEL2)>■FUNCTION>■SYSTEM>■
DSRAMBUP
•■ Restoration:■COPIER■(LEVEL2)>■FUNCTION>■SYSTEM>■
DSRAMRES
7-22
Description
7-22