Printronix L5035 サービスマニュアル

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The liquid crystal display (also referred to as the LCD or the 
message display) on the control panel displays two lines of text, up 
to 16 characters each, regarding printer operating status, 
configuration options, and error codes.

The status indicators on the control panel display the current 
operational status of the printer.

Indicating there is activity on the line from the host computer. (for 
IPDS printers only).

Indicating there is activity to the current address on the line. (for 
IPDS printers only).

When the printer is receiving data or processing data, JOB IN 
PROCESS flashes. If data has been processed and is waiting to be 
printed, or has been printed but not yet fused and ejected by the 
printer, JOB IN PROCESS lights continuously.

JOB IN PROCESS does not light when the printer is not processing 
data, no data exists in the buffer, and the printer is not receiving 
data.

STAND BY flashes while the printer is executing any front panel 
command, and while the printer is unavailable for printing due to its 
normal system activities, such as while it is booting, printing its 
configuration, writing status information, and loading applications.