Epson AcuLaser C8500 Service Manual page 436

EPSON AcuLaser C8500
FIP-2.4 Faulty LOW PAPER SENSOR FIP-2.4 Faulty LOW PAPER SENSOR FIP-2.4 Faulty LOW PAPER SENSOR FIP-2.4 Faulty LOW PAPER SENSOR
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
1
*Main parts to check
LOW PAPER SENSOR, CASSETTE SENSOR HARNESS, MCU PWB
*LOW PAPER power supply check
2
Is the voltage between P16-33PIN <=> P16-34PIN 5VDC ?
*LOW PAPER detection signal power supply check
Is the voltage between P/J16-33PIN <=> P/J16-34PIN as follows?
3
When approx. 20 sheets of paper are mounted
When approx. 200 sheets of parer are mounted
*P/H HARNESS ASSY check
4
Is there a proper continuity between J106 <=> P101?
Troubleshooting
Check
, the value is 0VDC.
, the value is 5VDC.
Level 2 FIP (Fault Isolation Procedure
Treatment
Yes
Replace and remount
Go to step 2.
the concerned part(s).
Go to step 3. Replace the MCU PWB.
Replace the MCU PWB. Go to step 4.
Replace the CASSETTE
Replace the LOW
SENSOR HARNESS
PAPER SENSOR ASSY.
ASSY.
Revision C
No
5-84