• Code: 7C00
• Display: Cover is Open Make sure there is no paper jammed inside the machine and close the Back Cover, then press Start.
• Description: The eject sensor was ON when the power switch was turned ON.
• Remedy: <User Check> • Close the back cover correctly. 1 Eject actuator caught in sections of the machine Reattach the eject actuator. 2 Fuser cover attachment failure Reattach the fuser cover. 3 Back cover attachment failure Reattach the back cover. 4 Eject sensor failure Replace the eject sensor PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

• Code: 8903
• Display: 2-sided Disabled Close the Back Cover of the machine.
• Description: The back cover/duplex tray sensor detected that the cover was open when duplex printing is started. (Before registering printing data to engine)
• Remedy: <User Check> • Close the back cover correctly. 1 Back cover/duplex tray sensor attachment failure Reattach the back cover/duplex tray sensor. 2 Boss to push the back cover/ duplex tray sensor is broken. Replace the back cover. 3 Back cover/duplex tray sensor failure Replace the eject sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

• Code: 8904
• Display: 2-sided Disabled Close the Back Cover of the machine.
• Description: The back cover/duplex tray sensor detected that the cover was open during duplex printing. (After registering printing data to engine)
• Remedy: <User Check> • Close the back cover correctly. 1 Back cover/duplex tray sensor attachment failure Reattach the back cover/duplex tray sensor. 2 Boss to push the back cover/ duplex tray sensor is broken. Replace the back cover. 3 Back cover/duplex tray sensor failure Replace the eject sensor PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

• Code: 8A01
• Display: Size Error DX Specify the correct paper.
• Description: The registration rear sensor detected that the paper fed was smaller or larger than the specified size in duplex printing mode.
• Remedy: <User Check> • Use appropriate paper (Letter to Legal). 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 8C00
• Display: Manual Feed Load paper.
• Description: There is no paper set in the manual feed slot on the manual feed slot fix mode.
• Remedy: <User Check> • Set paper in the manual feed slot. 1 Registration front actuator caught in some sections of the machine Reattach the registration front actuator. 2 Connection failure of the registration rear sensor harness Reconnect the registration front/rear sensor PCB harness. 3 Connection failure of the HVPS flat cable Reconnect the HVPS flat cable. 4 HVPS flat cable breakage Replace the HVPS flat cable. 5 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 6 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 7 Main PCB failure Replace the main PCB ASSY.

• Code: 8E01
• Display: Size mismatch Fax received. Set correct paper size in menu.
• Description: The paper size setting for the machine is other than A4, Letter, Legal or Folio when receiving fax.
• Remedy: <User Check> • Set A4 or Letter size paper. 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 8E02
• Display: Size mismatch Reload correct paper, then press Start.
• Description: Detected that the size of the paper set to paper tray was over 10 mm shorter than letter size when receiving fax or printing a list/report.
• Remedy: <User Check> • Set A4 or Letter size paper. 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.

• Code: 9002
• Display: Size mismatch Reload correct paper, then press Start.
• Description: When printing from the paper tray, the size of paper set in the paper tray does not match the size specified by the driver.
• Remedy: <User Check> • Change the driver setting to be matched with the size of the paper set in the paper tray. 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator. 2 Registration rear sensor failure Replace the registration front/rear actuator holder ASSY. 3 Main PCB failure Replace the main PCB ASSY.