Kyocera FS-3040MFP+ - All-Black Printout

2MF/2MG
1-4-17
(2) All-black printout.
Print example Causes Check procedures/corrective measures
No main
charging.
Defective main charger unit. Replace the main charger unit (See page 1-
5-26).
Poor contact of engine PWB’s
main charger output terminal
and machine’s contact
(spring).
Check the installation position of the engine
PWB.
See page 1-4-16, refer to figure 1-4-5.
Poor contact of machine’s
main charger output terminal
and main charger unit’s con-
tact (spring).
Check the installation of the drum (main
charger) unit.
Refer to figure 1-4-7 below.
Figure 1-4-7
Defective engine PWB. Replace the engine PWB (See page 1-5-30).
Contact
(spring)
Contact
(spring)
Main charger
unit
Drum PWB
connector (YC1)
Drum unit
Drum unit
A
A
B
B
C
C
Machine
left side
Drum
grounding
terminal
Main
charger
output
terminal
Connect-L PWB
connector (YC3)