Epson AcuLaser C4000 Service Manual page 177

EPSON AcuLaser C4000/C4100/C3000
FIP-15 Fuser Failure
Step
Initial setting
1 Do the following checks show a problem?
• Fuser Assy (PL9.1.1) installation
Fuser Assy (PL9.1.1) and Harness Assy FSR2 (PL6.1.9) connector check
1. Remove the Fuser Assy. (Refer to Ch4-4.2.12.1)
2. Check if there are any broken or bent terminals in the Fuser Assy and Harness Assy
2
FSR2.
Are any of the terminals in the Fuser Assy and Harness Assy FSR2 connectors bent or
broken?
Fuser Assy (PL9.1.1)
1. Replace the Fuser Assy. (Refer to Ch4-4.2.12.1)
3
2. Turn On the power.
Does the error still occur?
Harness Assy FSR 2 (PL6.1.9) continuity
1. Remove the Fuser Assy. (Refer to Ch4-4.2.12.1)
2. Disconnect the P/J138 relay connector between the Harness Assy Front 1 (PL15.2.7) and
the Harness Assy FSR2.
3. Disconnect the P/J162 connector from the LVPS (PL15.1.10).
4. Check the continuity for the following lines.
4
J232-A2 <=> P138-4
J232-A1 <=> P138-5
J232-3 <=> J162-2
J232-1 <=> J162-1
Is there continuity in all lines?
Harness Assy Front 1 (PL15.2.7) continuity
1. Disconnect the P/J13 connector from the PWBA MCU & HVPS (PL15.1.2).
2. Check the continuity for the following lines.
5
J138-5 <=> J13-17
J138-4 <=> J13-18
Is there continuity in all lines?
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Reinstall applicable parts. Go to step 2.
Go to step 3. Replace the applicable parts.
Go to step 4. End of procedure
Replace the Harness Assy
Go to step 5.
FSR2 (PL 6.1.9).
Replace the Harness Assy Front 1
Go to step 6.
(PL15.2.7).
Revision F
No
3-161