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Chapter 15 Diagnosing Problems
ERROR: WRITING
TO FLASH
Hardware or software fault in flash
memory.
Download the program again.
If the message occurs again,
call your Hewlett-Packard
Customer Service Engineer.
1
ERROR: WRONG
CHECKSUM
The printer received the complete
program but the checksum did not
match. The data was corrupted
during download.
Download the program again.
If the message occurs again,
call your Hewlett-Packard
Customer Service Engineer.
1
ETHERNET ADAPTER
BEING INITIALIZED
LineJet Print Server interface is
processing the boot procedure.
None
ETHERNET
DETECTED
LineJet Print Server interface has
established communication.
None
EXHAUST FAN FLT Sensors cannot detect current in
fan circuit.
Power off the printer and
remove the paper path. Check
that the fan cable connector is
connected. Check for
obstruction of vents and fan
airway, and remove any
obstructions. Check for items
beneath the printer blocking
cabinet vents. Power back on
the printer. If this message
recurs, contact your Hewlett-
Packard Customer Service
Engineer.
1
FIRMWARE ERROR* Application software tried to
perform an illegal printer function
or damaged memory detected on
board.
Contact your Hewlett-Packard
Customer Service Engineer.
1
FRAMING ERROR Serial framing error. (Serial
interface.)
Check your serial host
interface parameter settings; if
necessary, adjust them so that
they match the settings of the
attached host.
HAM. COIL OPEN* Electrical malfunction of one or
more hammer coils.
Contact your Hewlett-Packard
Customer Service Engineer.
1
HAMMER COIL BAD
X, X, X,...
Coil # failed current test at power-
up.
Record message, clear to
continue printing, and contact
your Hewlett-Packard
Customer Service Engineer.
HB NOT INSTALLD* Self-test does not detect hammer
coils.
Contact your Hewlett-Packard
Customer Service Engineer.
1
Table 21. LCD Message Troubleshooting Table (continued)
Displayed Message Explanation Action Required
