Vertical Lines Appear; Horizontal Lines And Spots Appear Periodically - Printronix LP844C User Manual

Vertical Lines Appear

Cause
The toner is low. If "Toner Low" or "Toner Empty.
Replace with new Toner Cartridge."
appears, replace the toner cartridge.
The image drum is damaged. Replace the image drum.
The paper guides are not properly set. Check the positions of the paper
guides on the paper tray.
Solution Reference
Replacing the Toner Cartridge
Replacing the Image Drum
Loading Paper

Horizontal Lines and Spots Appear Periodically

Cause
If lines or spots in a specific color Lightly wipe the image drum with a
occur in approximately 94 mm (3.7 in) soft tissue paper.
intervals, the green tube of the image Replace the image drum if it is
drum is damaged or dirty. damaged.
If lines or spots in various colors occur Replace the fuser unit.
in approximately 94 mm (3.7 in)
intervals, the fuser unit is damaged or
dirty.
If the interval of lines or spots are Replace the belt unit.
approximately 50 mm (2 inches),
some parts inside of the belt unit are
broken.
If the intervals of lines or spots are Replace the image drum.
approximately 40mm (1.6inches) or
58mm (2.3inches), the part in the
image drum is damaged.
If the intervals of lines or spots are Open and close the front cover, and
approximately 37 mm (1.5 inches), then print again.
there may be foreign objects in the
image drum.
If the intervals of lines or spots are Open the front cover, and wipe the
approximately 31mm (1.2inches), the resist roller with a soft tissue paper.
resist roller is dirty.
The image drum has been exposed to Place the image drum back into the
light. machine, and then do not use for a
few hours. If the problem persists,
replace the image drum.
The paper feed path is dirty. Print a few test pages.
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6. Troubleshooting
Solution Reference
Replacing the Image Drum
Replacing the Fuser Unit
Replacing the Belt Unit
Replacing the Image Drum
-
Cleaning the Resist Roller
Replacing the Image Drum
Test Printing from the Printer