Epson AcuLaser C4000 Service Manual page 173

EPSON AcuLaser C4000/C4100/C3000
Step
Harness Assy 24V (PL15.2.6) continuity
1. Disconnect the P/J163 connector from the LVPS (PL15.1.10).
2. Disconnect the P/J60 connector from the PWB Drive (PL15.1.15).
21 3. Check the continuity for the following.
J60-1 <=> J163-1
J60-2 <=> J163-2
Is there continuity in all lines between J60 <=> J163?
Harness Assy Dup (PL7.1.23) continuity check
1. Disconnect the P/J131 connector from the Motor Assy Dup (PL8.1.8).
2. Disconnect the P/J50 connector from the PWB Drive (PL15.1.15).
3. Check the continuity for the following lines.
J131-1 <=> J50-6
22 J131-2 <=> J50-5
J131-3 <=> J50-4
J131-4 <=> J50-3
J131-5 <=> J50-2
J131-6 <=> J50-1
Is the continuity between J131 <=> J50 normal?
Motor Assy Dup (PL8.1.8) check
1. Replace the Motor Assy Dup. (Refer to Ch4-4.2.11.4)
23
2. Carry out duplex printing.
Does the error occur even when the Motor Assy Dup is replaced with a new one?
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Replace the Harness Assy 24V
Go to FIP-DC (Page 5-280).
(PL15.2.6).
Replace the Harness Assy Dup
Go to step 23.
(PL 7.1.23).
Replace the PWBA MCU &
End of procedure
HVPS. (Refer to Ch4-4.2.18.1)
Revision F
No
3-157