Kyocera FS-3040MFP

2LW/2LX
1-4-15
(1) Completely blank printout.
Print example Causes Check procedures/corrective measures
Defective
transfer
bias output.
Poor contact of engine PWB’s
transfer bias output terminal
and machine’s contact
(spring).
Check the installation position of the engine
PWB.
Refer to figure 1-4-5 below.
Figure 1-4-5
Defective engine PWB. Replace the engine PWB (See page 1-5-30).
Defective
developing
bias output.
Poor contact of engine PWB’s
developing bias output termi-
nal and machine’s contact
(spring).
Check the installation position of the engine
PWB.
Refer to figure 1-4-5 above.
Poor contact of machine’s
developing bias output termi-
nal and developing unit’s con-
tact.
Check the installation of the developing unit.
Refer to figure 1-4-6 below.
Figure 1-4-6
Defective engine PWB. Replace the engine PWB (See page 1-5-30).
No LSU
laser is out-
put.
Defective laser scanner unit. Replace the laser scanner unit (See page 1-
5-16).
Defective main PWB. Replace the main PWB (See page 1-5-34).
Engine PWB
Machine bottom
Contact
(spring)
Main charger
output terminal
Developing bias
output terminal
Separation bias
output terminal
Transfer bias
output terminal
Contact
(spring)
Contact
(spring)
Contact
(spring)
Contact
Developing unit
Developing
bias output
terminal
Machine inside