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                        - Code:                                                                                                                                                                                                                                                                                                               -01
- Display:  Loader V. xx.xx PW-LSI ERROR
- Description:  A high-voltage power unit interface error at initialization.
- Causes:  Is the cable between the PU board and the high-voltage power unit connected properly? Is there poor contact?
                        - Code:                                                                                                                                                                                                                                                                                                               -02
- Display:  Loader V. xx.xx S-RAM ERROR
- Description:  A PU board SRAM error.
- Causes:  Does error reoccur?
                        - Code:                                                                                                                                                                                                                                                                                                               -03
- Display:  XXXXXXXXXXXXXXXX CRC CHECK ERR
- Description:  A PU download data CRC check error.
- Causes:  After PU data (PU firmware, custom media data and LED head adjustment data) downloading, a CRC check error was detected.
                        - Code:                                                                                                                                                                                                                                                                                                               -04
- Display:  XXXXXXXXXXXXXXXX PU DOWNLOAD MODE
- Description:  A PU board flash ROM hash check error.
- Causes:  Does error reoccur?
                        - Code:                                                                                                                                                                                                                                                                                                               -05
- Display:  XXXXXXXXXXXXXXXX FLASH TOGGLE ERR
- Description:  A PU board flash ROM writing error.
- Causes:  A flash ROM writing error was detected during the downloading of PU data. Does error reoccur?
                        - Code:                                                                                                                                                                                                                                                                                                               -06
- Display:  XXXXXXXXXXXXXXXX ERR PU-DCON BUSY
- Description:  An error in communication with the ASIC on the CU board.
- Causes:  Is the CU assy installed properly? Does the printer recover from the error by replacing the ARC/ SPY/SPA board.
                        - Code:                                                                                                                                                                                                                                                                                                               -07
- Display:  OPECODE TRAP ERR
- Description:  PU firmware went haywire.
- Causes:  Does error reoccur?
                        - Code:                                                                                                                                                                                                                                                                                                               -08
- Display:  BRK INST EXECUTE
- Description:  PU firmware went haywire.
- Causes:  Does error reoccur?