Canon C2050 Service Handbook page 271

E070
Main cause The transfer belt sensor (S51) is faulty. The transfer belt is deformed. The
transfer high-voltage PCB is faulty. The DC controller PCB is faulty.
Condition of
detection
0001 The transfer belt sensor (S51) cannot detect the home position of
0002 The transfer belt sensor (S51) continues to detect the home posi-
E073
Main cause The transfer drawer connector has poor contact. The transfer unit is absent.
Condition of
detection
0001 The transfer unit cannot be detected when the front door is closed.
E074
Main cause The transfer swing sensor (S49, S50) is faulty. The transfer swing clutch
(CL23) is faulty. The pickup main motor (M1) is faulty. The serial driver
PCB is faulty.
Condition of
detection
0001 The output of the transfer swing sensor (S49, S50) does not change
E196
Main cause A memory error has occurred in the EEPROM.
Condition of
detection
X=01: Y, X=02: M, X=03: C, X=04: Bk (X indicates the developing assem-
bly color)
YY=AA, 55, 00 (data in the presence of an error)
9XYY Drum kit cartridge EEPROM check error
A101 System controller PCB DIMM (absent)
A102 System controller PCB memory type (not SDRAM)
A103 System controller PCB memory sequential error
A104 System controller PCB memory capacity error (including a mix of
A105 System controller PCB memory type (not of recommended type)
A106 System controller PCB memory capacity error (duplex model, in-
A2ZZ RCON
the transfer belt.
tion for the transfer belt.
even when the transfer unit is swung.
64 M and 128 M)
adequate memory)
ERROR CODE
E-7