• Code: 941
• Description: Controller card
• Remedy: This error indicates an open fuse in line to tray 2. POR the printer to reset the fuse. Check for +24 V dc on J21, pin 6. If correct, the fuse is okay. If incorrect, remove the drawer and check resistance between pin 6 and 5 of the tray. If the resistance is less than 50 ohms, replace the drawer.

• Code: 950
• Description: Controller card
• Remedy: There is a mismatch between the variables in the EPROM on the operator panel card and those in the secure NVRAM on the controller card. This can only occur after a replacement of one of the two parts and the replaced part is faulty. Replace the controller card or the operator panel. Warning: Always replace only one at a time with a POR between.

• Code: 951
• Description: Controller card
• Remedy: The secure NVRAM was not detected on the controller card. Replace the controller card.

• Code: 952
• Description: NV failure:n
• Remedy: Recoverable error. Reset (POR) the printer.

• Code: 953
• Description: NVRAM chip failure
• Remedy: Indicates the NVRAM chip has failed. Replace the controller card.

• Code: 954
• Description: NVRAM CRC failure
• Remedy: Indicates the NVRAM experienced a CRC failure. Replace the controller card.

• Code: 955
• Description: Code CRC <loc>
• Remedy: Replace the controller card. Where <loc> = CRC Failure or ECC Failure on the controller card.

• Code: 956
• Description: Controller card
• Remedy: Error codes 956, 957, and 959 are controller card failures. Perform a power on reset (POR). If this does not fix the problem, replace the controller card.