• Code: 843.xx
• Description: Scanner carriage mechanical failure The scanner carriage home position detection has failed.
• Remedy: 1 Check the sensor (scanner HP) for proper installation. Is the above component properly installed? Go to step 2. Reinstall the sensor (scanner HP) 2 Check the sensor (scanner HP) for proper operation. 1. Enter the diagnostic mode 2. Select Scanner tests 3. Select Sensor tests 4. Observe the line item “Scanner HP” Does the display on the operator panel change every time the sensing area of the above sensor is interrupted or blocked? The sensor is working properly. Go to step 3. 3 Check the above sensor for proper connection. Is the above sensor connected properly? Replace the sensor (scanner HP). Go to “Sensor (scanner HP) assembly w/ bracket removal (models X651, X652, X654, X656 & X658)”. Replace the connection.

• Code: 844.xx
• Description: Scanner exposure lamp failure The flatbed scanner exposure lamp has failed.
• Remedy: Replace the exposure lamp.

• Code: 845.xx
• Description: Scanner CCD failure
• Remedy:

• 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.

• 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.

• 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.

• 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

• 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.