Epson AcuLaser C8500, Service Manual

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EPSON AcuLaser C8500 Revision C
Troubleshooting Level 1 FIP (Fault Isolation Procedure) 5-72
FIP-1.42 Abnormal Printing Operation FIP-1.42 Abnormal Printing Operation FIP-1.42 Abnormal Printing Operation FIP-1.42 Abnormal Printing Operation
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
LVPS, HVPS, MCU PWB
Replace and remount
the concerned part(s).
Go to step 2.
2 The printer does not operate the printing at all. Go to step 4. Go to step 3.
3
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 error still occurs
after replacing, go to
step 3.)
Go to FIP-2.1,
"
FaultyLVPS ５ VDC
".
4 Does it become the “Reset” status during the printing operation? Go to FIP-2.36 Go to step 5.
5
*Interface cable check
Replace the Interface cable with the properly functioning one.
Does the problem still occur?
Go to step 6. Problem solved.
6
*MCU PWB Replacement check
Replace the MCU PWB with the properly functioning one.
Does the problem still occur?
Check the host side. Problem solve.