Canon imageRUNNER ADVANCE C5051 Series Service Manual page 107

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Technology■>■Image■Formation■System■>■Controls■>■Image■stabilization■control
Related■Error■Codes
E020-001x:■Error■in■patch■sensor■of■developing■assembly■(at■initial■state)■(more■than■the■upper■
limit)
E020-002x:■Error■in■patch■sensor■of■developing■assembly■(at■initial■state)■(less■than■the■lower■
limit)
E020-0081:■Error■in■ITB■background■light■intensity
E020-010x:■Error■in■patch■sensor■(more■than■the■upper■limit)
E020-020x:■Error■in■patch■sensor■(less■than■the■lower■limit)
E020-0x30:■Error■in■ATR■sensor■(less■than■the■lower■limit,■at■initial■state)
E020-0x31:■Error■in■ATR■sensor■(less■than■the■upper■limit,■at■initial■state)
E020-0x40:■Error■in■ATR■sensor■(the■control■voltage■less■than■the■lower■limit,■at■initial■state)
E020-0x41:■Error■in■ATR■sensor■(the■control■voltage■less■than■the■upper■limit,■at■initial■state)
E020-0x90:■Error■in■ATR■sensor■(less■than■the■lower■limit)
E020-0x91:■Error■in■ATR■sensor■(more■than■the■upper■limit)
E020-0xB0:■Error■in■developer■ratio■when■making■prints■(less■than■the■lower■limit)
E020-0xB1:■Error■in■developer■ration■when■making■prints■(more■than■the■upper■limit)
x■indicates■the■target■color■(1=Y,■2=M,■3=C,■4=Bk)
2 Technology■>■Image■Formation■System■>■Controls■>■Image■stabilization■control
● ATVC■control ■
This■control■prevents■transfer■failure■due■to■environmental■change■or■deterioration■of■the■
primary■transfer■roller■or■the■secondary■transfer■roller
•■ Primary■transfer■ATVC
Execution■timing
1)■When■the■power■is■turned■ON
2)■When■replacing■with■a■new■drum■unit
3)■At■recovery■from■sleep■mode
4)■At■post-rotation■after■the■total■reaches■500■prints
5)■When■the■environment■is■changed
Catuion:
The■total■print■is■counted■separately■between■the■color■mode■and■the■Bk■mode.■This■
control■is■executed■when■the■counter■of■either■mode■reaches■the■specified■number.
Control■description
1)■Monitoring■current■value■of■the■primary■transfer■DC■bias■is■detected
2)■Optimal■primary■charging■current■value■is■determined■based■on■the■temperature/
humidity■data■of■Environment■sensor■1.
3)■The■primary■transfer■DC■bias■is■determined■to■apply■to■the■primary■transfer■roller
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