Remedy: 1 Turn the printer off and wait 30 seconds. Turn the printer on. Did this fix the problem? Problem solved. Verify proper installation of the EPROMs on both the printer controller board and the printhead controller board. Go to step 2. 2 Are the EPROMs installed correctly? Replace the printer controller board. Go to step 3. Install the EPROMs correctly. 3 Did replacing the printer controller board fix the problem? Problem solved. Replace the printhead controller board.
Code: 949
Description: Tray (x) Comm
Remedy: 1 Replace the printer controller board. Does this fix the problem? Problem solved. Replace the expansion feeder control board for trays 2-5. If the problem is with the highcapacity paper feeder, replace the HCPF board.
Code: 950
Description: Pr Control Board
Remedy: Replace the printer controller board.
Code: 952
Description: NVRAM Chip Failure
Remedy: 1 Make sure the 80-pin RIP printer controller cable is not broken or damaged. Is the cable broken or damaged? Replace the cable. Go to step 2. 2 Is EPROM U5 present on the printer controller board? Replace the printer controller board. Install EPROM U5