Image Quality
3-4 09/06 PHASER 3124 / PHASER 3125
IQ 2 Vertical white line
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer supply
while performing tasks that do not need electricity. Electricity can cause death or injury. Moving
parts can cause injury.
Description
White vertical voids in the image.
Checks and Causes Solutions
1. Foreign matter on the edge of the
toner cartridge window, PL 1.
1. Clean the exposure window on the
toner cartridge, PL 1.
2. Contamination of the LSU mir-
rors, PL 1.
2. Clean the LSU window with rec-
ommended cleaner (IPA) and a
clean cotton swab. If necessary,
install a new LSU, PL 1.
3. Check for sharp edges in the
paper path that may correspond to
the position of the voids.
3. Open the front cover, PL 1 and
clean inside the frame assembly, PL
2
4. Check the life of the toner car-
tridge, GP 4.
4. If the toner cartridge has expired,
install a new one, PL 1.
5. Foreign matter or toner particles
present between the developer
roller and blade in the toner car-
tridge, PL 1.
5. Install a new toner cartridge, PL 1.
6. If the fuser, PL 3 is defective,
voids occur periodically at the top of
a black image.
6. Check and install a new fuser if
necessary, PL 3.