Epson AcuLaser C8500 Service Manual page 386

EPSON AcuLaser C8500
FIP-1.10 REGI. JAM FIP-1.10 REGI. JAM FIP-1.10 REGI. JAM FIP-1.10 REGI. JAM
Step
*Initial setting
Use of parts of non-EPSON specifications, improper mounting, damage, distortion, dirt,
adherence of foreign matter?
*Main parts to check
1
REGI. SENSOR, MAIN P/H FRAME ASSY
TURN ROLL ASSY, FEED ROLL, P/H DRIVE ASSY
FEED SOLENOID, MCU PWB
*Engine and controller division check
2
Can a test print (single sheet / consecutive printing, about 10 sheets each) be performed
normally with the engine alone?
3 Are you using curled paper or paper that tends to curl?
*MAIN P/H FRAME ASSY check
4 Are there foreign matters in the paper route of the MAIN P/H FRAME ASSY?
Is there anything wrong with parts?
* REGI. SENSOR check
5 Is the REGI. SENSOR functioning properly?
By using the DIAG tool, check by Digital Input Test device code "29".
* MAIN P/H FRAME ASSY drive route check
6 Is there anything wrong with the drive rout of the MAIN P/H FRAME ASSY?
Are the gears faulty or worn?
*TURN ROLL ASSY check
7 Is the TURN ROLL ASSY worn?
Are there foreign matters adhering to the TURN ROLL ASSY?
*FEED ROLL check
8 Is the FEED ROLL worn?
Are there foreign matters adhering to the FEED ROLL?
Troubleshooting
FIP-2.6
Check
Level 1 FIP (Fault Isolation Procedure)
Treatment
Yes
Replace and remount the
Go to step 2.
concerned part(s).
Printer controller check (If
an an error still occurs after Go to step 3.
replacing, go to step 3.)
Change to different paper. Go to step 4.
With tool:
Go to step 5.
Clean and replace the faulty
part(s).
Without tool:
Go to FIP-2.12
Go to step 6. Go to FIP-2.12
Replace the faulty part(s). Go to step 7.
Replace and clean the
Go to step 8.
TURN ROLL ASSY
Replace and clean the FEED
Go to step 9.
ROLL
Revision C
No
5-34