Canon iR C6800 Series Portable Manual page 128

Code Cause/Particulars of detection
xxDB For INIT control (service mode
INISET-*) at time of initial setup, the
variation among the 72 light Ref
samplings is 100 or more.
The ATR sensor is damaged or has an
open circuit. The connector has poor
contact.
xxDC For INIT control (service mode
INISET-*), the average of the patch Sig
values is 800 or higher.
The patch sensor is damaged or has an
open circuit. The connector has poor
contact. the primary transfer
engagement if faulty. The mounting of
the developing assembly is faulty. The
amount of supply is too high.
xxF1 The connector or the color toner supply
clutch is not connected.
xxFF There is no toner inside the Bk
developing assembly.
- the toner is not supplied to the
developing assembly correctly.
- the hopper stirring motor is not
rotating normally.
The hopper connector has poor contact.
The black toner supply motor (M25) is
faulty. The hopper stirring motor (M23)
is faulty. The black toner level sensor is
faulty. The DC controller is faulty.
E021 There is an error in the rotation of the developing assembly.
0001 The developing rotary home position is
not detected.
The motor rotates out of sync because
of poor torque caused by any of the
following: The developing rotary HP
sensor is faulty; the wiring of the DC
controller is faulty; there is an excess
load on the developing assembly.
Remarks
Turn off and then on the main power;
then, execute the intermediate transfer
belt.
Turn off and then on the main power;
then, execute the intermediate transfer
belt.
Turn off and then on the main power;
then, execute ITB cleaning.
Turn off and then on the main power;
then, execute the intermediate transfer
belt.
Turn off and then on the main power.