• Code: 843.26
• Description: Service scanner failure Scanner controller card assembly failure 2 An internal processing failure occurred in the scanner controller card assembly
• Remedy: 1 Check the connection of each scanner controller card assembly connector. Is each connector of scanner controller card assembly connected properly? Go to step 2. Connect each connector of scanner controller card assembly properly. 2 Perform a POR. Does the error remain when the power is turned off/on? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”. Problem resolved

• Code: 844.00
• Description: Service scanner failure Exposure lamp failure A failure has occurred with the exposure lamp.
• Remedy: 1 Check the exposure lamp for connection. Is the above component connected properly? Replace the exposure lamp. Go to “LED exposure bar removal”. Replace the connection. 2 Perform a POR. Does the error remain when the power is turned off/on? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”. Problem resolved

• Code: 844.01
• Description: Service scanner failure White reference/exposure lamp Illumination failure The large platen glass is not properly installed or missing. The white reference initialization of the scanner unit assembly has failed after a POR or the amount of light from the exposure lamp is inadequate at the start of the scan.
• Remedy: 1 Check the large platen glass. Is the large platen glass installed properly? Go to step 2. Remove and clean the large platen glass. Go to “Large platen glass removal”. Reinstall the large platen glass properly. Go to step 3. 2 Remove the large platen glass. Check the bottom of the large platen glass in the vicinity the white reference strip for contamination. Is the vicinity of white reference strip contaminated? Clean the bottom of the large platen glass in the vicinity of the white reference strip. Reinstall the large platen glass properly. Go to step 3. Go to step 4. 3 Perform a POR. Does the error remain? Go to step 4. Problem resolved 4 Check the exposure lamp for connection. Is the above component connected properly? Replace the exposure lamp. Go to “LED exposure bar removal”. Replace the connection. 5 Perform a POR. Does the error continue when the power is turned off/on? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”. Problem resolved

• Code: 845.00
• Description: Service scanner failure CCD failure A failure has occurred with the CCD sensor assembly.
• Remedy: 1 Check the LED CCD/lens assembly connection. Is the CCD/lens assembly connected properly? Go to step 2. Replace the connection. 2 Check all the connections on the scanner controller card assembly. Are all the connections connected properly? Replace the LED CCD/lens assembly. Replace the connection. 3 Perform a POR. Does the error remain? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”.

• Code: 845.01
• Description: Service scanner failure CCD initialization (lamp on) failure The CCD does not make a correct output when it receives a specified amount of light.
• Remedy: 1 Check the exposure lamp for connection. Is the above component connected properly? Replace the exposure lamp. Go to “LED exposure bar removal”. Replace the connection. 2 Perform a POR. Does the error remain when the power is turned off/on? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”. Problem solved.

• Code: 845.02
• Description: Service scanner failure CCD initialization (lamp off) failure The CCD does not make a correct output when light is absent.
• Remedy: 1 Check the connection of the scanner controller card assembly. Are the connectors of the scanner controller card assembly connected properly? Go to step 2. Connect each connector of the scanner controller card assembly properly. 2 Perform a POR. Does the error remain when the power is turned off/on? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”. Problem solved.

• Code: 846.00
• Description: Service scanner failure Scanner communication failure Controller detected failures. Scanner download timeout.
• Remedy: 1 Check the scanner interface cable assembly connection between the RIP card assembly and the scanner unit assembly. Is the scanner interface cable assembly connected properly? Go to step 2. Replace the connection. 2 Check all connections of the scanner controller card assembly. Are the connections of the scanner controller card assembly connected properly? Go to step 3. Connect each connector of the scanner controller card assembly properly. 3 Perform a POR. Does the error remain when the power is turned off/on? Replace the scanner controller PCBA. Go to “Scanner controller PCBA removal”. Problem solved.

• Code: 846.01
• Description: Service scanner failure Scanner communication failure Controller detected failures. Detected I/O failure.
• Remedy: 1 Check the scanner interface cable assembly connection between the RIP card assembly and the scanner unit assembly. Is the scanner interface cable assembly connected properly? Go to step 2. Replace the connection. 2 Check all connections of the scanner controller card assembly. Are the connections of the scanner controller card assembly connected properly? Go to step 3. Connect each connector of the scanner controller card assembly properly. 3 Perform a POR. Does the error remain when the power is turned off/on? Replace the scanner controller card assembly. Go to “Scanner controller PCBA removal”. Problem solved.