Canon C2050 Service Handbook page 269

XX91 During printing sequence, the correction value for INIT-SIGNAL
Main cause The ATR sensor is faulty. The toner level sensor is faulty. The toner supply
system for the developing assembly is faulty. The developer has deterio-
rated or has a mixing of injection carrier.
Condition of
detection
XX=01: Y, XX=02: M, XX=03: C, XX=04: Bk (XX indicates the develop-
ing assembly color)
XXB0 During printing sequence, the value of SIGNAL obtained by sam-
XXB1 During printing sequence, the value of SIGNAL obtained by sam-
XXD0 During printing sequence, the value of SIGNAL remains higher
XXE0 During printing sequence, the value of SIGNAL remains lower
E025
Main cause The cartridge motor is faulty.
Condition of
detection
0101 The cartridge motor Y (M11) is found to have an over-current con-
0201 The cartridge motor M (M12) is fount to have an over-current con-
0301 The cartridge motor C (M13) is found to have an over-current con-
0401 The cartridge motor Bk (M14) is found to have an over-current
E032
Main cause The Copy Data Controller-A1 or the NE controller is faulty or has an open
circuit. The system controller PCB is faulty.
Condition of
detection
The Copy Data Controller-A1 or NE controller counter mechanism fails to
operate.
has changed to 255 (in service mode, ADJUST>DENS>SIGG-Y/
M/C/K).
pling and averaging is 0.43 V (22) or lower.
pling and averaging is 4.9 V (250) or higher.
than INIT-SIGNAL entered as part of initial settings by 4.71 V
(240) or more continuously for 10 prints.
than INIT-SIGNAL entered as part of initial settings by 0.98 V (50)
or more continuously for 10 prints.
dition.
dition.
dition.
condition.
ERROR CODE
E-5