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VI - 14
[ 3 ] Communications related
Trouble Check:
(1) No tone is transmitted. • Main PCB
• NCU PCB
[ 4 ] Paper/document feeding related
Trouble Check:
(1) Neither "COPY: PRESS
COPY" nor "FAX: NO. &
START" message appears
although documents are set.
• Sensors by using the maintenance-mode function code 32.
(Refer to Chapter V, Section 3.8, "Sensor Operational Check".)
• Document front sensor actuator and rear sensor actuator
• Main PCB
(2) Document not fed. • ADF and its related sections
• Drive motor and its harness
• LF roller and its related gears
• Solenoid and the planetary gear train
• Main PCB
(3) Recording paper not fed. • Paper feed roller and its related sections
• Drive motor and its harness
• Platen and its related gears
• Solenoid and the planetary gear train
• Main PCB
(4) Document double feeding • ADF parts