Epson AcuLaser C4000 Service Manual page 258

EPSON AcuLaser C4000/C4100/C3000
FIP-57 SRAM (for Compression) Initialization Hardware Error
Step
Initial setting:
• Remove all the optional units and modules related to the electrical system and bring the
1
printer back to the standard status.
• Check if all connectors are properly connected to the CONTROLLER PWB.
Checking the SD-RAM:
• Remove all SD-RAMs from the RAM slots and then reinsert them in the RAM slots. Be sure
to insert the SD-RAMs one by one (S0 and S1) in order so that the SD-RAM error can be
identified. Every time you insert an SD-RAM, follow the procedures below and repeat it for
each one.
1. Turn the power off.
2
2. Add the SD-RAM.
3. Turn the power on.
• Insert the SD-RAM in the socket until it is locked securely.
NOTE: Since the SD-RAM has the right direction to insert, be sure to insert it in the
correct direction.
Replacing the IC concerned:
• Replace IC601 (VIP2: E05B93BA).
3
• Replace IC600 (PWM).
In cases other than above, replace the CONTROLLER PWB.
Troubleshooting
Check
Level 2 FIP
Treatment
Yes
Replace or reinstall the relevant
Go to step 2.
part.
Replace or reinstall the relevant
Go to step 3.
part.
Replace or reinstall the relevant
Problem solved.
part.
Revision F
No
3-242