Epson AcuLaser C8500, Service Manual

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