Description: A high-voltage power unit interface error at initialization.
Remedy: Is the cable between the PU board and the high-voltage power unit connected properly? Is there poor contact? Connect the cable properly. Check the high-voltage system for poor contact. Replace the highvoltage power unit.
Code: -
Display: Loader V. xx.xx S-RAM ERROR
Description: A PU board SRAM error.
Remedy: Does error reoccur? Turn on the printer again. Replace the PU board (PRN).
Code: -
Display: XXXX CRC CHECK ERR
Description: A PU download data CRC check error.
Remedy: After PU data (PU firmware, custom media data and LED head adjustment data) downloading, a CRC check error was detected. Turn on the printer again and redownload the data (during usual printer operation, the downloading is not performed and the error does not occur).
Code: -
Display: XXXX PU DOWNLOAD MODE
Description: A PU board flash ROM hash check error.
Remedy: Does error reoccur? Turn on the printer again. Replace the PU board (PRN).
Code: -
Display: XXXX FLASH TOGGLE ERR
Description: A PU board flash ROM writing error.
Remedy: A flash ROM writing error was detected during the downloading of PU data. Does error reoccur? Turn on the printer again and redownload the data (during usual printer operation, the downloading is not performed and the error does not occur). Replace the PU board (PRN).
Code: -
Display: XXX ERR PU-DCON BUSY
Description: An error in communication with the ASIC on the CU board.
Remedy: Is the CU assy installed properly? Does the printer recover from the error? Reinstall the assy properly. Replace the ARC/SPA board. Replace the PU board (PRN).