Canon imageRUNNER ADVANCE C3325 Series Service Manual page 449

Error■ Detail■
Location Item
code Code
E020 04A8 05 Title ATR■Sensor■(Bk)■output■error
Detection■ The■output■value■of■the■ATR■Sensor■(Bk)■in■the■Developing■
description Unit■(Bk)■did■not■fall■within■the■range■between■38■and■214■for■2■
consecutive■times■during■printing.
Remedy [Related■parts]
•■ Harnesses■from■the■ATR■Sensor■(Bk)■to■the■DC■Controller■PCB
1.■ATR■Sensor■(Bk)■(UN24/J1053)■to■Developing■Unit■(Bk)■(J1043)■
(Unit■of■replacement:■CABLE,■DEVELOPING)
2.■Developing■Unit■(Bk)■(J1043)■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■(Bk)■(Unit■of■replacement:■DEVELOPING■
ASSEMBLY,■BK)
•■ 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 04B8 05 Title ATR■Sensor■(Bk)■output■error
Detection■ The■output■value■did■not■exceed■120■although■the■control■voltage■
description of■the■ATR■Sensor■(Bk)■in■the■Developing■Unit■(Bk)■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■(Bk)■to■the■DC■Controller■PCB
1.■ATR■Sensor■(Bk)■(UN24/J1053)■to■Developing■Unit■(Bk)■(J1043)■
(Unit■of■replacement:■CABLE,■DEVELOPING)
2.■Developing■Unit■(Bk)■(J1043)■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■(Bk)■(Unit■of■replacement:■DEVELOPING■
ASSEMBLY,■BK)
•■ 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
7-23
Description
7-23