Manual
182
Chapter 7
Diagnosing Problems
B50 STATUS: XX%
CLEAR FLASH
No Emulation software
sucessfully loaded in
RAM. Old program being
deleted from flash
memory.
No action is required.
B51 STATUS: XX%
LOADING...
No Status message: printer
boot-up routines are
loading printer system
software into flash
memory and SDRAM.
No action required.
B53 ERROR: 12C NO
ARBITRATION
No There is a problem on the
I
2
C bus which allows the
SDRAM DIMM to
communicate with the
GPIO interface.
Cycle power to see if the message
clears, if not, contact your
authorized service representative.
1
B54 ERROR: SDA
LINE STUCK LOW
No The SDRAM or a PCI
card is shorting out the
serial data bus on the
controller board.
Cycle power to see if the message
clears, if not, contact your
authorized service representative.
1
B55 STATUS: SEND
PROGRAM TO EC
No EC program downloaded
and being programed in
EC.
No action is required.
BUFFER OVERRUN Yes The print buffer has
overflowed on a serial
interface. The printed
output may contain
random * (asterisk)
characters. Make a
configuration printout.
Verify that the printer matches the
host serial interface configuration
settings for Data Protocol, Baud
Rate, Data Bits, Stop Bits, Parity,
Data Terminal Ready, and Request
to Send. Set printer serial interface
parameters to match those of the
host.
CLEAR PAPER JAM Yes No paper motion. Clear jam and reload paper. If this
message recurs, contact your
authorized service representative.
1
CLEARING
PROGRAM FROM
FLASH
No Status message:
emulation software
successfully loaded into
printer RAM and the
checksum matched. The
old program is now being
deleted from flash
memory.
No action is required.
CLOSE PLATEN Yes The platen lever is open. Close the platen lever.
COIL HOT No One or more hammer
coils are overheating.
Contact your authorized service
representative.
1
Table 12. N7000 STD ASCII LCD Fault Messages Troubleshooting
Displayed Message
Can User
Correct?
Explanation Solution