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2G4
1-4-15
(1) Completely blank printout
(2) No image appears (entirely black).
Copy example
Causes
Check procedures/corrective measures
Defective drum unit or developer unit.
Open the printer top cover and check that the drum unit and
developer unit is correctly seated. Check for poor contact of
the main charger terminal between the main charger unit and
the drum unit.
Defective transfer bias potential.
Check the transfer bias output on the engine/high voltage
PWB. This requires removal of the left cover and the test
equipment. Replace the engine/high voltage PWB if high
voltage potential is not available on the PWB (See page P.1-
5-14).
Defective laser scanner unit.
The scanner components within the scanner may be disor-
dered. Replace the laser scanner unit (See page P.1-5-17).
Defective main PWB.
Defective laser scanner unit control circuit in the main PWB
(See page P.1-5-29).
Copy example
Causes
Check procedures/corrective measures
Defective main charger unit.
Open the printer top cover and check that the drum unit is
correctly seated. Check for poor contact of the main charger
terminal between the main charger unit and the drum unit.
Defective main charger high voltage
output.
Make sure the main charger high voltage output from the
engine/high voltage PWB correctly arrives at the drum unit
(main charger unit).
Defective engine/high voltage PWB.
Check the high voltage output on the engine/high voltage
PWB. Replace the engine/high voltage PWB if high voltage
potential is not available on the PWB (See page P.1-5-14).
Defective main PWB.
Replace the main PWB (See page P.1-5-29).
Содержание FS-1016MFP
Страница 1: ...SERVICE MANUAL Published in February 2006 2G470760 FS 1016MFP...
Страница 2: ...Revision history Revision Date Replaced pages Remarks...
Страница 8: ...This page is intentionally left blank...
Страница 16: ...2G4 1 1 6 This page is intentionally left blank...
Страница 30: ...2G4 1 2 14 1 2 Maintenance M This page is intentionally left blank...
Страница 32: ...2G4 1 3 2 1 3 Maintenance M This page is intentionally left blank...
Страница 94: ...2G4 1 5 40 This page is intentionally left blank...
Страница 96: ...2G4 1 6 2 This page is intentionally left blank...
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