Fuser Temp; Dc Charge Adjust, Dev Bias Adj, Transfer Adjust; Tps Setup; Right Or Left Tps - Lexmark X548 Series Service Manual

7525-63x

Fuser Temp

This adjustment can be used to help solve some problems of paper curl on low-grade papers and/or melting of
letterheads on some types of media.
To change this setting:
1. Navigate to EP SETUP > Fuser Temp.
Touch
2.
3. Touch Submit to save the settings, or touch Back to return to the Diagnostics Menu without saving any
changes.

DC Charge Adjust, Dev Bias Adj, Transfer Adjust

Each of these three settings enables you to adjust the high-voltage levels controlling the electro photographic
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.

TPS Setup

Right or Left TPS

The value of the TPS sensor is set at manufacturing. If a sensor is replaced, enter the 32-digit hexadecimal TPS
value associated with the sensor.
To enter the value:
Navigate to TPS Setup.
1.
Select Right or Left, and touch the Keyboard icon.
2.
Change the TPS value.
3.
Touch Clear.
a.
b. Enter the TPS value.
Touch Submit to save the settings.
c.
Submitting changes appears.
4.
If the number is incorrect, Checksum does not match appears, and the original screen appears to re-
•
enter the value.
If the number is correct, Saving changes to NVRAM appears.
•

Reset Color Cal

This setting allows the device to adjust the alignment of the color planes using pre-programmed default values.
To reset the programmed value:
Navigate to TPS Setup > Reset Color Cal.
1.
Resetting appears. When the reset is complete, the display returns to TPS Setup.
2.

Cal Ref Adj

Used with Reset Color Cal, which resets to a default value, Cal Ref Adj allows you to fine tune the TPS function.
To change this setting:
1. Navigate to TPS Setup > Cal Ref Adj.
Touch or
2.
3. Touch Submit to save the settings.
Service Manual
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or to select Normal, High, or Low. The default is Normal.
to adjust the values of Tps CMY and Black.
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