Fault Messages
315
Table 15. LCD Message Troubleshooting Table
Displayed Message
Can User 
Correct?
Explanation Solution
06 HOST REQUEST Yes Host attention 
message.
The host computer or 
printer controller requires 
attention.
08 HOLD PRINT 
TIMEOUT
Yes Printer was offline 
more than 10 
minutes, and the 
“Intervention 
Required” 
parameter is set to 
“Send to Host.”
Press ON LINE to put 
printer in online state.
8.5V PWR FAIL* No Internal power 
failure.
Contact your authorized 
service representative.
1
15 COMM CHECK  Yes Line not active 
(twinax interface).
Check cable connection.
15V CTL FAIL* No Controller voltage 
failure.
Contact your authorized 
service representative.
1
22 INVALID ADDR Yes Unit address not 
recognized by 
printer. (Twinax 
interface)
Ensure that printer 
address matches host 
setting.
23.5V CTL FAIL* No Controller voltage 
failure.
Contact your authorized 
service representative.
1
31 PAPER OUT
TIMEOUT
Yes A timeout message 
is sent to the host if 
paper is not loaded 
10 minutes after 
CLEAR was 
pressed to clear 
the paper out fault.
Load paper.