Canon imageRUNNER ADVANCE C3325 Series Service Manual page 452

Error■ Detail■
Location Item
code Code
E021 0220 05 Title Developing■Screw■rotation■detection■error■(M)
Detection■ The■difference■between■the■maximum■and■the■minimum■
description of■sampling■values■detected■by■the■ATR■Sensor■(M)■in■the■
Developing■Unit■(M)■was■12■V■or■less■during■rotation■of■the■
Developing■Screw.
Remedy [Related■parts]
•■ Harnesses■from■the■ATR■Sensor■(M)■to■the■DC■Controller■PCB
1.■ATR■Sensor■(M)■(UN22/J1051)■to■Developing■Unit■(M)■(J1041)■
(Unit■of■replacement:■CABLE,■DEVELOPING)
2.■Developing■Unit■(M)■(J1041)■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■(M)■(Unit■of■replacement:■DEVELOPING■
ASSEMBLY,■M)
•■ DC■Controller■PCB■(UN04)■(Unit■of■replacement:■DC■
CONTROLLER■PCB■ASSEMBLY)
•■ Main■Drive■Unit■(Unit■of■replacement:■MAIN■DRIVE■
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
E021 0320 05 Title Developing■Screw■rotation■detection■error■(C)
Detection■ The■difference■between■the■maximum■and■the■minimum■
description of■sampling■values■detected■by■the■ATR■Sensor■(C)■in■the■
Developing■Unit■(C)■was■12■V■or■less■during■rotation■of■the■
Developing■Screw.
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)
•■ Main■Drive■Unit■(Unit■of■replacement:■MAIN■DRIVE■
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
7-26
Description
7-26