CHAPTER 3 IMAGE TROUBLESHOOTING
3-1321. The copy is blank.Cause Step Checks YES/NO Remedies
Cartridge 1 Is the cartridge set in the copier? NO Set the cartridge in the
copier.
2 Does the cartridge have toner? NO Replace the cartridge.
3 Has the seal been removed from
the cartridge? NO Remove the seal.
4 Set the cartridge in the copier,
and close the copier.
Does the drum cover shutter
open without fail?
NO Make adjustments so that
the shutter opens
smoothly.
Drum drive assembly 5 Is the drum drive gear rotating
normally? NO Check the drum drive
assembly.
High-voltage
transformer 6 Are the primary charging
terminal at the front left of the
cartridge and the high-voltage
terminal at the bottom of the
copier in firm contact?
YES Check the high-voltage
transformer (DC controller/
DC power supply PCB).
Terminals for primary
charging,
Cartridge
NO 1. Check the contact for
electrical continuity.
2. Try replacing the
cartridge.
Cause Step Checks YES/NO Remedies
1 Is the scanning lamp ON during
copying operation? YES Check if the cartridge is
set properly.
NO See “The scanning lamp
fails to go ON.”