Ricoh J001 Service Manual page 213

SERVICE CENTER CALL RESPONSE
4-3 Operation impaired by other causes.
8.1.10 PAPER MISFEED – JAM: TRAY 2 REAR COVER, GUIDE PLATE (J003)
SERVICE CENTER CALL RESPONSE
Jam occurred between sensors. (Tray 2)
During paper feed from Tray 2, the trailing edge
sensor detected the trailing edge of the paper but
the registration sensor cannot detect the leading
edge of the paper.
Ask the operator to try the following procedures to
remove and prevent paper transport jams when
feeding from Tray 2. Also, check inside the printer
and Tray 2 for paper. If you find paper inside the
printer or tray, remove it, and then press the
[Paper Feed] key.
(1) Check the type and condition of the paper,
then do the following procedures.
2
1-1 If the paper is thick (105 g/m or more), feed
the paper from the bypass tray.
SM
CÓPIA NÃO CONTROLADA
PROBABLE CAUSE
1. Dirty paper feed roller.
2. Paper feed clutch operating incorrectly.
3. Bottom plate pressure spring is weak.
4. Drive gears damaged.
5. Registration sensor damaged.
6. Harness disconnected, damaged.
7. Control board malfunction.
8. DC relay board abnormal.
9. Paper feed roller dirty.
10. Encoder sheet dirty.
11. Carriage shaft, bushings not clean.
12. Carriage pressure roller of the timing belt is not
clean.
13. Carriage encoder sensor is damaged.
14. Charge roller is dirty, scarred, or damaged.
PROBABLE CAUSE
1. Paper that does not meet specifications was
used.
2. The reverse guide plate is closed.
3. Rear cover of Tray 2 is open.
4. Tray damaged.
Insufficient paper transport power.
Feed roller slippage.
CÓPIA NÃO CONTROLADA
OPERATOR ACTION
OPERATOR ACTION
1. Use only paper that meets specifications
(including restrictions).
2. Close the reverse guide (lock on both ends).
3. Close the rear cover of Tray 2.
Use only paper that meets specifications
(including restrictions).
Switch to manual feed with the bypass tray.
8-13
SERVICE TECHNICIAN (ST) and/or
NATIONAL RECLAMATION CENTER
(NRC) ACTION
1. Clean the paper feed roller (ST).
2. Replace the paper feed clutch
(NRC).
3. Replace bottom plate pressure
spring (ST).
4. Replace drive gears (ST).
5. Replace registration sensor (NRC).
6. Check harness, replace (NRC).
7. Replace control board (NRC).
8. Replace DC relay board (NRC).
9. Clean the paper feed roller (ST).
10. Clean the encoder sheet (ST).
11. Clean the carriage shaft, bushings
(ST).
12. Clean or replace the pressure roller
of the carriage drive belt (ST).
13. Replace the carriage encoder
sensor (NRC).
14. Clean the charge roller (ST) or
replace it (NRC).
SERVICE TECHNICIAN (ST) and/or
NATIONAL RECLAMATION CENTER
(NRC) ACTION
4. Repair (ST) or replace (NRC).
J001/J003