Fault Messages
321
B23 ERROR:
DECOMPRESS
CKSUM*
No FLASH SIMM may
not be properly
installed.
Cycle power to see if the
message clears, if not,
contact your authorized
service representative.1
B30-STATUS:
INITIALIZING
N/A Status message
informing the
operator that
software is being
downloaded
through one of the
printer’s I/O ports
using the two-key
download
activation.
No action is required.
B35-STATUS:
WAITING FOR EC
STATUS
N/A Waiting for EC/DC
Powerup
handshake.
No action is required.
B40 ERROR:
SDRAM EEPROM
CKSUM BAD*
No SDRAM DIMM
may not be
properly installed.
Cycle power to see if the
message clears, if not,
contact your authorized
service representative.1
B41 ERROR: DIM
MEMORY NOT
SDRAM*
No SDRAM DIMM is
not compatible with
the computer.
SDRAM DIMM
may not be
properly installed.
Cycle power to see if the
message clears, if not,
contact your authorized
service representative.1
B42 ERROR:
SDRAM ROWS NOT
ALLOWED*
No SDRAM DIMM is
not compatible with
the computer.
SDRAM DIMM
may not be
properly installed.
Cycle power to see if the
message clears, if not,
contact your authorized
service representative.1
Table 15. LCD Message Troubleshooting Table
Displayed Message Can User
Correct? Explanation Solution