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Service Guide ML390/391
Chapter 4 Failure & Repair Analysis
4.5 FAULT ALARMS
4.5.01 General Information
The operator panel is used to display printer modes and error conditions. The table below shows the
operator panel display and the mode or condition it matches.
Printer Modes
Microline 390/391
ALARM
Lamp
Status
SELECT
Lamp Status
MENU
Lamp
Status
Printer
Mode
Status Description
OFF ON N/A Normal
Operation
On-Line The printer is ready
to receive data and
to print.
OFF ON N/A Normal
Operation
Hex Dump The printer is in Hex
Dump Mode. Refer
to Section 4.7
OFF OFF N/A Normal
Operation
Off-Line The printer will NOT
receive data or
print.
OFF OFF ON Normal
Operation
Menu
Mode
The operator may
view or change the
menu settings.
ON OFF N/A Operator
Alarm
Paper End Printer is out of
paper.
ON OFF N/A Operator
Alarm
Paper
Jam
SASF paper jam
ON OFF N/A Operator
Alarm
CSF
Paper
Jam
Paper jam or paper
end with CSF
installed.
OFF BLINK N/A Operator
Alarm
Print
Suppress
The printer has
received a PRINT
SUPPRESS code
from the computer.
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