Specifications

Flowcharts and TablesTroubleshooting
Table 19. Black Vertical Lines
Step Check Result Action
1 Replace the toner cartridge.
Does the print quality
improve?
Yes Problem solved.
2 Replace the transfer roller.
Does the print quality
improve?
No Connect the grounding contact to the
static eliminator.
3 Remove the paper delivery
guide. Is the static
eliminator on the paper
delivery guide properly
grounded?
No Connect the grounding contact to the
static eliminator.
4 Remove the fuser assembly
and inspect the fuser heater
roller. Are there scratches
on the fuser heater roller?
Yes Replace the fuser heater roller or the
fuser assembly.
Table 20. White Vertical Lines
Step Check Result Action
1 Remove the toner cartridge
from the printer. Is any
foreign material blocking
the laser beam outlet on the
inside of the printer
chassis?
Yes Remove the foreign material.
2 Inspect the paper path. Is
any foreign material
blocking the paper path?
Yes Remove the foreign material.
3 Replace the toner cartridge.
Does the print quality
improve?
Yes Problem solved.
4 Replace the transfer roller.
Does the print quality
improve?
Yes Problem solved.