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Table 13. N7000 H-Series Fault Messages Troubleshooting
Displayed Message
B21 STATUS:
No
PRINTER RESET
B22 ERROR:
No
DECOMPRESS SIZE*
B23 ERROR:
No
DECOMPRESS
CKSUM*
B30 STATUS:
N/A
INITIALIZING...
B35 STATUS:
N/A
WAITING FOR EC
STATUS
B40 ERROR: SDRAM
No
EEPROM CKSUM
BAD*
B41 ERROR: DIM
No
MEMORY NOT
SDRAM*
B42 ERROR: SDRAM
No
ROWS NOT
ALLOWED*
B43 ERROR: SDRAM
No
TOO MANY BANKS*
Can User
Explanation
Correct?
Status message informing
the operator that the printer
is undergoing a system
reset.
FLASH memory has not
passed boot initialization
tests.
FLASH memory has not
passed boot initialization
tests.
Status message: the printer
is running its initialization
routines after startup and
successful memory tests.
Status message: the DC on
the controller board is
waiting for communication
with the EC. If this message
does not clear witin a few
seconds there is an
electrical or electronic
problem on the controller
board.
Flash memory has not
passed boot initialization
tests.
The DRAM DIMM installed
on the controller board is not
Synchronous DRAM
(SDRAM).
Printer boot initialization
tests detect incorrect
SDRAM.
Printer boot initialization
tests detect incorrect
SDRAM.
N7000 H-Series Printers Fault Messages
Solution
No action is required.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
No action is required.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
Cycle power to see if the
message clears, if not, contact
your authorized service
representative.
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