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Chapter 6
Diagnosing Problems
Table 17. LCD Message Troubleshooting Table
Displayed Message
HMR BANK FAN
FLT
ILL EXT BUS ACC*
ILLGL OPR ACCSS*
ILL INST ACCSS*
INTAKE FAN FAULT
INVALID ACTIVATE
22 INVALID ADDR
312
Can User
Explanation
Correct?
Yes
Sensors cannot
detect current in
fan circuit.
No
Fatal firmware
error on controller
board.
No
Fatal firmware
error on controller
board.
No
Fatal firmware
error on controller
board.
Yes
Sensors cannot
detect current in
fan circuit.
No
Printer detects
twinax protocol
communication
errors.
Yes
Unit address not
recognized by
printer. (Twinax
interface)
Solution
Check that fan cable is
connected. Check for
obstruction of vents and
fan airway; remove any
obstructions. Check for
items beneath the printer
blocking cabinet vents.
Power back on the
printer. If this message
recurs, contact your
authorized service
1
representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
See description for HMR
BANK FAN FLT.
The printer reports the
error.
Ensure that printer
address matches host
setting.
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