Epson AcuLaser C900 - Page 130

EPSON AcuLaser C1900/AcuLaser C900 Revision B
Troubleshooting Status Display (AcuLaser C1900) 130
ERROR CODE: E033 “TRANSPARENCY DETECTION SENSOR PROBLEM”
 Detection Timing
Transparency is not detected.
 Solution
 Electric parts which can cause the trouble:
• OHP Sensor (PC3A)
• Engine Board (PWB-A)
EEPROM ERROR
·ERROR CODE: E041 “MAIN UNIT MEMORY COUNTER PROBLEM”
·ERROR CODE: E042 “MAIN UNIT MEMORY DATA PROBLEM”
·ERROR CODE: E043 “MAIN UNIT MEMORY ACCESS PROBLEM”
·ERROR CODE: E044
“MAIN UNIT MEMORY INSTALLATION PROBLEM”
 <Detection Timing>
EEPROM error detection
 Solution
 Electric parts which can cause the trouble:
• EEPROM
• Engine Board (PWB-A)
ERROR CODE: E998 “ENGINE COMMUNICATION ERROR”
 Detection Timing
Any error has occurred in communication through the video interfere between the
Main Board and the Engine Board.
 Solution
 Electric parts which can cause the trouble:
• Main Board (C485MAIN)
• Engine Board (PWB-A)
Table 3-16.
Step Action Refer to
WARNING DIAGRAM
Control Signal
1 Check the operation of PC3A. p.162 PC3_REM
2 Replace the PWB-A. - -
Table 3-17.
Step Action Refer to
WARNING DIAGRAM
Control Signal
1 Replace the EEPROM. - -
2 Replace the PWB-A. - -
Table 3-18.
Step Action Refer to
WARNING DIAGRAM
Control Signal
1 Check the connection between Main
Board and Engine Board.
--
2 Replace the Main Board (C485MAIN). - -
3 Replace the Engine Board (PWB-A). - -