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4079-00X
Paperfeed Mechanical Service Check
Symptom Explanation
Paper indexing or feeding
problem; you may see an
error code.
FRU
1
Gear Train
2
Pickup Roller
Spring Plate
3
Paperfeed
Roller
4
Sheetfeed Sep-
aration Assem-
bly
2-36
Conditions That Could Cause This
Symptom
• Foreign object in path
• Paper dust or ink on rollers
• Paperfeed motor, gear train
• Paper pickup mechanism
• Paper transport mechanism
• Paper exit mechanism
• Spur unit
Action
Be sure there are no foreign objects in the paper
path.
Watch the paperfeed and eject rollers during POST.
If they do not rotate, check the gear train and
replace any damaged parts. See
page
5-7.
Run Test Print A and watch the paper lift plate while
the feed rolls are rotating. The paper lift plate should
rise and fall only one time during POST or when the
pickup roller spring (Asm. 20-10) actuates the pickup
roller assembly. If the plate does not rise and fall cor-
rectly, replace it.
Be sure the pickup roller feeds paper into the printer.
If it does not, clean the paperfeed roller by running a
piece of brown cleaning paper through the printer, or
replace the paperfeed roller (Asm.18-3). Cleaning
paper is provided with each batch of coated printed
paper.
If more than one sheet of paper enters the paper-
feed rollers, replace the sheetfeed separation
assembly or related parts (Asm. 19-21).
"Paper Path" on
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