Ricoh A151, Field Service Manual

Page: 216 / 397

1.16 PAPER MISFEED
- Phenomenon -
1. The misfeed location number indicator (PE, J1, J2) turns on when the
main switch is turned on, even if there is no paper in the copier.
2. The misfeed location number indicator (PE, J1, J2) always turns on at
the same location when copies are made.
- Possible Causes -
1. Defective sensor
2. Mechanical or electrical malfunction
- Action 1 (Initial misfeed) -
Check which sensor (relay sensor, registration sensor or exit sensor) is de-
fective. Replace the defective sensor. If no sensors are defective,
replace the main board.
- Action 2 (Misfeed during copy cycle) -
If the PE indicator turns on after the Start key is pressed, check whether
the paper tray has run out of paper or not.
No Yes
Load the paper into the paper tray
Set Jam Detection OFF mode (SP6) to on and make a copy to see
whether a misfeed occurs.
Misfeed No misfeed
Check which sensor (relay sensor, registration sensor or exit sensor)
is defective. If sensors are not defective, replace the main board.
Check whether a mechanical or electrical malfunction occurs. Replace the
defective parts.
A151/A152 6-22 FSM