Epson AcuLaser C4000 Service Manual page 197

EPSON AcuLaser C4000/C4100/C3000
FIP-25 Black Toner Empty
Step
Initial setting
Do the following checks show a problem?
1 • Sensor Toner Low (PL12.2.9) installation
• Toner Cartridge installation
• Toner Motor installation
Toner Cartridge (K) (PL12.1.4) check
1. Replace the Toner Cartridge (K).
2
2. Turn On the power.
Does an error occur even when a new Cartridge is installed?
Sensor Toner Low (K) (PL12.2.9) signal check
Measure the voltage between connectors P/J51-36 <=> P/J51-35 of the PWB Drive
3
(PL15.1.15).
Is the resistance + 0.2V DC between P/J51-36 <=> P/J51-35?
Harness Assy TNR (PL12.1.6) continuity check
1. Disconnect the P/J51 connector from the PWB Drive (PL15.1.15).
2. Disconnect the P/J444 connector from the Sensor Toner Low (PL12.2.9) (C).
4 3. Check the continuity for the following lines.
J444-2 <=> J51-36
J444-3 <=> J51-35
Is the continuity between J444 <=> J51 normal?
Sensor Toner Low (PL12.2.9) check
1. Replace the Sensor Toner Low. (Refer to Ch4-4.2.15.7)
5
2. Turn On the power.
Does the error still occur?
Harness Assy DRV 2 (PL15.2.3) continuity check
1. Disconnect the P/J42 connector from the PWB Drive (PL15.1.15).
6 2. Disconnect the P/J12 connector from the PWBA MCU & HVPS. (Refer to Ch4-4.2.18.1)
3. Check the continuity between J12-24 <=> J42-7.
Is the continuity between J12-24 <=> J42-7 normal?
Toner Motor check
Use the Toner Motor diagnosis tool to carry out a Digital Output Test.
7
The Interlock SW should be closed.
Is the Toner Motor functioning normally?
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Reinstall applicable parts. Go to step 2.
Go to step 3. End of procedure
Go to step 6. Go to step 4.
Replace the Harness Assy TNR
Go to step 5.
(PL12.1.6).
Go to step 6. End of procedure
• With the tool: Go to step 7.
Replace the Harness Assy DRV 2
(PL15.2.3).
• Without the tool: Go to step 8.
Check the toner mixing Auger
Go to step 8.
and the Gears for damage.
Revision F
No
3-181