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ERROR CODE and TROUBLESHOOTING
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[E4A0] Waste toner cover open jam (printing)
[E4B0] Reverse path cover open jam (printing)
Bridge unit cover opening/closing
detection switch
• Switch check
(Perform the input check: 03-[COPY]ON/[7]/[B], 03-
[COPY]ON/[8]/[E])
• Connector check
• Harness check
LGC board • Connector check (CN334)
• Board check
Replace parts Remarks
Bridge unit cover opening/closing
detection switch
LGC board
Classification Error item
Cover open jam The waste toner cover has opened during printing.
Check item Measures
Waste toner cover • Close the waste toner cover if it is opened.
• Remove if there is any paper before closing it.
Waste toner detection sensor • Sensor check
(Perform the input check: 03-[FAXON]/[1]/[C])
• Connector check
• Harness check
LGC board • Connector check (CN331)
• Board check
Replace parts Remarks
Waste toner detection sensor
LGC board
Classification Error item
Cover open jam The reverse path cover has opened during printing.
Check item Measures
Reverse path cover • Close the bridge unit if it is opened.
• Remove if there is any paper before closing it.
Reverse path cover switch • Switch check
(Perform the input check: 03-[COPYON]/[8]/[A])
• Connector check
• Harness check
LGC board • Connector check (CN331)
• Board check
Check item Measures
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