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2-105 4059 Service Manual
4059-XXX
Transfer Roll Service Check
Service Tip: The transfer roll is 17.0 mm (.669 inch) diameter. Any
print quality problems such as lines that are spaced 17 mm apart
indicate you should check the transfer roll for damage, toner or
foreign material buildup.
Service Tip: The transfer roll assembly is part of the Maintenance Kit
for models 2450, 2455 and 3455 printers and is replaced when a '80
Scheduled Maintenance” message displays. Ask the customer if
they have replaced the transfer roll recently.
CAUTION: Make sure the printer is powered Off before making any
checks on the transfer roll or associated parts for personal safety
and to prevent damage to the printer.
3 Toner Sensor The toner sensor cable is part of the
front harness and part of connector
J10 on the engine board. Check the
voltage at J1-011. It reads
approximately +5 V dc. If incorrect,
replace the engine board. If correct,
check the voltage at J10-12. It reads
approximately +5 V dc with the
controller board removed from the
printer. If incorrect, replace the
engine board. If correct, replace the
toner sensor assembly. A bad
ground connection between J10-13
on the engine board and pin 3 on the
toner sensor results in a 929 service
error.
FRU Action
1 Transfer Roll Assembly Check the transfer roll for any signs
of toner buildup, surface damage to
the roll, oil or other contaminants on
the surface of the roll. Replace the
transfer roll as necessary.
FRU Action