2-105
Confidential
■ One color band
<User Check>
• Clean the corona wire of the drum unit.
• Clean the corona wire by sliding the green tab of the drum unit to the left end.
• This problem may disappear after printing multiple sheets of paper.
• Refer to <How to clean the drum unit> to remove the dirt from the exposure drum using a
cotton applicator.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
<How to clean the drum unit (the shape of the drum is different from the actual one)>
(1) Remove the appropriate toner cartridge from the drum unit. Check where the image
distortion occurs by placing the print sample in front of the drum unit.
Fig. 2-14
Fig. 2-15
Refer to the table <Pitches on images caused by rollers> for what represents the value A.
Step Cause Remedy
1
A ground wire or ground plate
installation failure (Grounding
is not performed correctly.)
Retighten the screws of each ground wire or
ground plate. Repair the bend of the tray
ground spring of the T1.
(Refer to Fig. 2-13 (P2-99).)
2 LED ASSY failure Replace the appropriate LED ASSY.
A mm
A mm
A mm
A mm
White dots repeat in A mm distance on the black
page with printed images.
Black dots repeat in A mm distance on
the page.
< Examples of image distortion >
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