Xerographic Module - Xerox 3001 Service Manual

XEROGRAPHIC MODULE
INTERVAL
Task Reason
Task Enabler
NC
(
Normal
Call)
Check charge 1
wecharge corotron.
?eplace if 20k or
more
fontamination,loose or broken wires,
lamaged end blocks cause C.Q. defects.
Check for excessive contamination. 800 volts at onset should
be able t o be obtained with power supply output at "TP 1
"
below 475 volts.
Clean the
xerographic
module
Zontamination (toner or other) can cause
:leaning problems. contaminants can travel
to optics and corotrons resulting in C.Q.
oroblems. fused toner on the bottom of mod
:an cause jams.
Vacuum toner from housing. use cleaning solvent t o remove
fused toner from bottom of module.
3ent stripper fingers cause feedout jams and
Fuser roll damage.
Contaminated wicks cause poor oiling and
damage t o fuser roll.
Replace damaged or conmtaminated stripper fingers. Check / replace
stripper fingers
Check
kleanlreplace oil
dispenser assy
Replace wick if contaminated or if customer is running
erasable vellum.
Perform the Initialization Procedure for the Fuser Roll.
Smooth
/
worn fuser roll loses ability todrive
media.
Contaminated fabric guide causes too much
resistance t o media resulting in jams1
deletionslwrinkles.
Clean
/
replace fuser
roll, fabric guide
Clean with film remover. clean fabric guide with formula
"A"
and film remover.
Perform the Initialization Procedure for the Fuser Roll.
Check the fuser roll
for lack of oil
Too much or too little oil can cause media
handling problems.
Replace the oil pads.
If the fuser roll is dry, perform the Initialization Procedure
for the Fuser Roll.
Check I replace
ozone filter
Lack of air flow due t o clogged filters can
cause "light side" copy quality defects.
If the Charge voltage ( V , ) can't be achieved equally on both
sides of drum suspect a clogged ozone filter - remove filter,
and recheck- if your able t o obtain equal charge voltage
( V , )
replace filters
(Continued)
1
2/98
Xerographic Module Maintenance Procedures
1-8
3001