VI - 20
[ 3 ] Communications related
Trouble Check:
(1) No tone is transmitted. l Main PCB
l NCU PCB
[ 4 ] Paper/document feeding related
Trouble Check:
(1) Neither "COPY: PRESS COPY"
nor "FAX: NO. & START"
message appears although
documents are set.
l Sensors by using the maintenance-mode function code
32. (Refer to Chapter V, Subsection 3.8.)
l Document front sensor actuator and document rear
sensor actuator
l Main PCB
(2) Document not fed. l ADF and its related sections
l ADF motor and its harness
l Document feed roller and its related gears
l Main PCB
(3) Document double feeding l ADF parts
(4) Document jam l ADF motor
(5) Recording paper not fed. l Paper loaded in the paper cassette(s)
l Paper cassette(s)
l Drum unit
l Heat-fixing unit
l Drive gear ASSY
l Engine PCB
l Main PCB
(6) Recording paper double feeding l Separation pad on the paper cassette(s)
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