Canon imageRUNNER ADVANCE 8105 Series Manual page 102

Field Remedy
When the symptom occurs, prepare the pre-transfer corona assembly (FM3-7297-000) and follow the
procedure below to replace the part.
[Caution] When removing the primary charging assembly and the pre-transfer corona assembly, go through
the following procedure while the charging shutter is open. If any of the below operations are not performed,
it may be possible to remove the assembly while the charging shutter is closed, which may damage the
drum or the shutter.
A) At sleep mode, press the power switch on the control panel, check that the machine is in standby
condition, turn OFF the main power, and then remove the part.
B) In the case that the condition of the charging shutter (open/close) is unknown while the power of the host
machine is OFF, turn ON the power, check that the machine is in standby condition, turn OFF the main
power, and then remove the part.
1) Open the front cover, loosen the screw [1], and open the inner cover [2].
2) While pushing the release lever [3] in the direction of the blue arrow, pull out the primary charging
assembly.
pg. 102