Printed Results
Black or white vertical streaks
Faint or blurred printing
Grey background
Dirt on the top edge or back of the paper Check the paper chute and the ramp.
6-4
Corrective Action
Refresh drum.
Perform the following procedures on the operation panel and try cleaning
the drum surface using the printer's built-in cleaning system.
In the mode selection menu, press [] or [] to select Adjust/
1
Maint..
Press [OK]. Adjust/Maint. menu screen appears.
2
Press [] or [] to select Service Setting.
3
Direction
of Paper
Press [OK]. The Service Setting menu screen appears.
4
Feed
Press [] or [] to select Drum.
5
Press [OK]. A drum cleaning confirmation message is displayed.
6
Press [Yes] ([Left Select]). Drum cleaning begins. When drum
7
cleaning ends, the Service Setting menu reappears.
Clean the LSU.
For details, refer to LSU (LSU cleaning mode setting) on page 4-130.
Refresh drum.
For details, refer to Drum (Drum/Refresh mode setting) on page 4-130.
Make sure the paper type setting is correct the paper being used.
For details, refer to Paper Settings on page 4-41.
Conduct color calibration either by switching the printer off then on or using
the printer operation panel.
For details, refer to ColorCalibration on page 4-119.
Try adjusting the color control settings using the printer driver.
Check the operation panel. If the
empty.) message is displayed, install a new toner kit. To replace toner,
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 4-119.
Pull out the paper transfer unit and check for toner on the paper ramp.
Clean the paper ramp using a soft, dry, lint-free cloth. For details, refer to
Cleaning the Paper Transfer Unit on page 5-8.
Toner is low.(Replace when
Troubleshooting