EXP Computer C4077-90960 - Manual (Page 66)

Service Mode
The Service Mode should be used only by authorized service personnel.
While in Service Mode, you can:
•
Verify and set the Page Count and serial number. These are displayed on
the PCL Configuration Page.
•
Set the Cold Reset Paper Size Default. (This sets the factory default paper
size to either Letter or A4.)
•
Clear the ERR LOG.
Initiate the Service Mode as follows:
1 Hold down [Items] and [+] while powering ON the printer, until all lights are
illuminated and the Display is blank. (If the Display Panel reads INTERNAL
TEST at this point, the keys were released too soon. Repeat this step until
successful.)
2 Press [Select] . The message SERVICE MODE is displayed briefly, then the
printer automatically begins an INTERNAL TEST. After several seconds, both
Control Panel Indicators turn OFF. (The printer may display WARMING UP if
it has not warmed up completely.) After the printer has warmed up and
passed the self test, SERVICE MODE is displayed.
3 Press [Menus] once to display SERVICE MENU.
To exit the Service Mode press [On Line] .
3
Operating Overview
Operating Overview 3-21