Lexmark C 540n, Service Manual

Page: 110 / 262

3-20
Service Manual
5025-2xx, 4xx
Reset Fuser Cnt
Resets the fuser count value to zero. The Event Log records each time that a user executes the Reset Fuser
Count operation. See
“Event Log” on page 3-25 for more information. This setting appears only if the
Maintenance Warning and Intervention function is enabled in the printer Configuration ID.
To reset the fuser count:
1.
Select Printer Setup from Diag Menu, and press Select ( ).
2.
Select Reset Fuser Cnt , and press Select ( ).
3.
Select Reset , and press Select ( ).
Reset Resetting…
appears.
To cancel a reset, press Back ( ).
EP Setup
EP Defaults
This setting is used to restore each printer setting listed in EP Setup to its factory default value. Sometimes this
is used to help correct print quality problems.
To restore EP Defaults:
1.
Select EP Setup from Diag Menu, and press Select ( ).
2.
Select EP Defaults , and press Select ( ).
3.
Select Restore to reset the values to the factory settings, and select Do Not Restore.
To cancel and return to the menus, press Back ( ).
Fuser Temperature
This adjustment can be used to help solve some customer problems with paper curl on low-grade papers and
problems with letterheads on some types of media.
To adjust the fuser temperature:
To restore EP Defaults:
1.
Select EP Setup from Diag Menu, and press Select ( ).
2.
Select Fuser Temp , and press Select ( ).
3.
Select Normal, High, or Low. The default is Normal.
To return to the menus, press Back ( ).
DC Charge Adjust, Dev Bias Adj, Transfer Adjust
Each of these three settings enables you to adjust the high voltage levels controlling the electrophotographic
process. You will use these settings to compensate for unusual operating circumstances such as high humidity.
The printer uses the value of these settings together with other settings to calculate printing speed and media
selection.