Canon Color imageRUNNER C5180 Series, Service Manual

Page: 626 / 851

Chapter 18
18-8
xx40 Incorrect setting of ATR sensor
operation values. ATR sensor
trouble or a broken/disconnected
wire. The drum unit is not installed
properly (the copier cannot detect
the drum unit) or there is trouble in
the unit.
Replace the SALT sensor (clean it). Replace the drum unit (check its
connections).
xx50 Incorrect developer density
operation value which was set when
the new drum unit was installed
Replace the drum unit (check its connections).
xx60 Incorrect developer density target
value which was set when the new
drum unit was installed (value is
extremely low)
Replace the drum unit (check its connections).
xx70 Incorrect developer density target
value which was set when the new
drum unit was installed (value is
extremely low)
Replace the drum unit (check its connections).
xx80 Density value is extremely high for
the ITB surface reflectivity when
the new drum unit was installed.
SALT sensor trouble.
Replace the SALT sensor (clean the sensor window). Replace the drum unit
(check its connections). Replace the ITB (clean it).
xx81 Density value is extremely low for
the ITB surface reflectivity when
the new drum unit was installed.
SALT sensor trouble. Dirty ITB.
Replace the SALT sensor (clean the sensor window). Replace the drum unit
(check its connections). Replace the ITB (clean it).
xx83 Trouble in detected ITB surface
reflectivity rate (value is extremely
high)
Replace the ITB (clean it).
xxA0 Measured value of the detected
developer density is extremely low.
Trouble in the ATR sensor.
Trouble in the drum unit.
Replace the drum unit (check its connections).
xxB0 T/D ratio has dropped due to the
drum unit end-of-life. Broken or
disconnected wire in the ATR
sensor.
Replace the drum unit (check its connections).
xxB2 T/D ratio is extremely high
compared with when the new drum
unit was installed.
Replace the drum unit (check its connections).
xxC0 Trouble in the supply of the toner
from the toner cartridge to the
developer. Too much toner is
supplied to the developer. Broken
or disconnected wire in the ATR
sensor.
Replace the drum unit (check its connections).
xxD0 No toner is supplied from the toner
cartridge to the developer. TCRG
motor fails to run. An empty
cartridge is being used. The toner
supply port of the drum unit is
damaged. Broken or disconnected
wire in the ATR sensor.
Replace the toner cartridge motor. Replace the drum unit (check its
connections).
E032 NE controller counter operation failure
0001 When the counter function of the
NE controller does not work
Check the cable connections.
Displayed
code Detection timing Remedial action