• Code: 84
• Description: Replace <color> PC Unit
• Remedy: • Replace the specified photoconductor unit using the instruction sheet that comes with the replacement specified photoconductor unit. • If the problem persists, replace the system board. See “System board removal”.

• Code: 84
• Description: <color> PC Unit Missing
• Remedy: • Scroll down the operator panel to see if the printer is showing that all four of the PC units are missing. If so, check the HVPS cable between the system board and the HVPS. Ensure that the cable is not plugged in backwards on the HVPS. Disconnect and reconnect the cable to make sure there is good contact. • Insert or reinstall the specified print cartridge. • Check the high voltage cartridge contacts path. • If the contacts are good, replace the HVPS. See “High-voltage power supply (HVPS) board removal”. • If the problem persists, replace the system board. See “System board removal”.

• Code: 84
• Description: <color> PC Unit Near Life Warning
• Remedy: • Select Ignore to clear the message and continue printing. • Order the specified photoconductor unit. When print quality is reduced, install the new specified photoconductor unit using the instruction sheet that comes with the replacement specified photoconductor unit. • If the problem persists, replace the system board. See “System board removal”.

• Code: 84.11
• Description: <color> PC Unit Life Warning
• Remedy: • Select Ignore to clear the message and continue printing. • Order the specified photoconductor unit. When print quality is reduced, install the new specified photoconductor unit using the instruction sheet that comes with the replacement specified photoconductor unit. • If the problem persists, replace the system board. See “System board removal”

• Code: 88.xx
• Description: <color> Cartridge Low
• Remedy: • Show Me, View Supplies, and Tell Me More displays additional information. • Replace the specified print cartridge. • Select Continue to clear the message and continue printing. • If the problem persists, replace the system board. See “System board removal”.

• Code: 88.xx
• Description: <color> Cartridge Nearly Low
• Remedy: • Show Me, View Supplies, and Tell Me More displays additional information. • Replace the specified print cartridge. • Select Continue to clear the message and continue printing. • If the problem persists, replace the system board. See “System board removal”.

• Code: 88.xx
• Description: Replace <color> Cartridge
• Remedy: • Show Me, View Supplies, and Tell Me More displays additional information. • Replace the specified print cartridge. • Select Continue to clear the message and continue printing. • If the problem persists, replace the system board. See “System board removal”.

• Code: 900.00...900.99
• Description: Software Error An unrecoverable RIP software error occurred while an unknown process was running.
• Remedy: 1 1. Turn the printer off. 2. Remove the following: • All communication cables • Any memory options 3. Press and hold 3 and 6, and turn on the printer. Does the error reoccur? Replace the system board. See “System board removal”. Go to step 2. 2 1. Print the following data: • Event log • Menu setting page • Network setting page 2. Turn off the printer, and reattach the communication cables. 3. Turn the printer on. Does the 900.xx error reoccur? Error is caused by print file. Contact your next level of support. Go to step 3. 3 1. Turn off the printer, and replace the memory option. 2. Turn the printer on. Does the 900.xx error reoccur? Replace the memory option. Problem solved.