The Add Paper Message Fails To Turn - Canon GP215 Service Handbook

TROUBLESHOOTING MALFUNCTIONS
37 The Add Paper message fails to turn OFF.
Cause Step
1
Paper sensor 2
DC controller
PCB
38 The Jam message fails to turn OFF.
Cause Step
Jam 1
Sensor 2
DC controller
PCB
39 The Add Toner message fails to turn OFF.
Cause Step
Stirring spring 1
Toner sensor 2
DC controller
PCB
4–22
Checks
Does the lifter move up?
Put paper in the cassette, and
check 'P-SENS' in service
mode (*1*; 7th page).
Is the value '0'? (upon detec-
tion, '1')
Checks
Is there paper around the sen-
sor which has turned on?
(Check by referring to the jam
code in service mode (*1*;
JAM).)
Is the sensor identified by the
jam code in service mode (*1*)
normal?
Checks
Remove the developing assem-
bly.
Is the spring used to stir the
toner around the toner sensor
(TS1) installed correctly?
Try replacing the toner sensor.
Is the problem corrected?
Yes/No
NO See "The lifter fails to move
up."
YES Check the sensor lever; if nor-
mal, replace the sensor in
question.
NO Replace the DC controller
PCB.
Yes/No
YES Remove the paper.
NO Replace the sensor.
YES Replace the DC controller
PCB.
Yes/No
YES Re-install it.
YES End.
NO Replace the DC controller
PCB.
Action
Action
Action