6-4 Troubleshooting
Black or white vertical streaks Check the operation panel for toner.
If the
Toner is running out. message is displayed, install a new
toner kit. To replace the toner container, refer to Toner Container
Replacement on page 5-2.
Clean the LSU.
For details, refer to LSU (LSU cleaning mode setting) on page 4-116.
Refresh drum.
For details, refer to Drum (Drum/Refresh mode setting) on page 4-116.
Clean the separator and transfer roller.
Open the printer left cover 1 and clean the separator and transfer roller
with a cleaning brush.
Refer to Cleaning the Printer on page 5-8.
Faint or blurred printing Refresh drum.
For details, refer to Drum (Drum/Refresh mode setting) on page 4-116.
Make sure the paper type setting is correct the paper being used.
For details, refer to Paper Settings on page 4-46.
Conduct color calibration either by switching the printer off then on or using
the printer operation panel.
For details, refer to ColorCalibration on page 4-106.
Try adjusting the color control settings using the printer driver.
Check the operation panel. If the
Toner is running out. message
is displayed, install a new toner kit. To replace toner, refer to Toner
Container Replacement on page 5-2.
The paper you are using may be damp. Replace it with new paper.
Grey background Refresh drum.
For details, refer to Drum (Drum/Refresh mode setting) on page 4-116.
Check the operation panel for toner.
If the
Toner is running out. message is displayed, install a new
toner kit. To replace the toner container, refer to Toner Container
Replacement on page 5-2.
Conduct color calibration either by switching the printer off then on or using
the printer operation panel.
For details, refer to ColorCalibration on page 4-106.
The paper you are using may be damp. Replace it with new paper.
Dirt on the top edge or back of the paper Clean the inside of the printer.
Open the left cover 1 and check if the inside is dirty. If dirty, clean the inside
with the cleaning cloth included in the toner kit.
Clean the LSU.
For details, refer to LSU (LSU cleaning mode setting) on page 4-116.
Change to a different type of paper.
Printed Results Corrective Action