• Code: 88
• Description: Replace Cartridge This IR is displayed when toner cartridge is exhausted/empty.
• Remedy: Replace the print cartridge.

• Code: 900.xx
• Description: System software error Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.

• Code: 901xx
• Description: System software error Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is firmware related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.

• Code: 902.xx
• Description: System software error Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.

• Code: 903.xx
• Description: Paperport link driver error Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.

• Code: 904.xx
• Description: Interface violation by RIP Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.

• Code: 905.xx
• Description: Interface violation by paperport device Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.

• Code: 906.xx
• Description: RIP interface driver error Code detected unusual event or timing.
• Remedy: 1. POR the machine and print a simple test page to determine if the problem is system software related, or if the customer is sending a corrupted print job. 2. Check all connections on the system card assembly. 3. Replace the system card assembly if problem remains. Go to “System card assembly removal (T650, T652, T654, T656)”.