Scanner Calibration Reset; Adf Magnification; Exit Diagnostics; Next - Lexmark X746de Service Manual

7526
Sensor Test descriptions (under Scanner Tests)
Sensor
Paper FB Long
Paper ADF Long
Paper ADF Width 1
Paper ADF Width 2
Press to return to the Scanner Tests Menu.

Scanner Calibration Reset

After selecting this setting, the operator panel displays the following message in the header:
This procedure should be run after the scanner or ADF has been replaced. Before proceeding make sure
that the scanner glass and backing material are clean. Please refer to the User's Guide for
instructions on how to clean the scanner glass and backing material.
select Continue To initiate this operation. At the conclusion of a successful operation, the operator panel
displays the message Operation completed successfully. for 3 seconds and then automatically returns to the
main Scanner Calibration Reset menu. If an error occurs during execution, the operator panel displays the
message Test Failed, Please Retry. Select Continue to return to the main Scanner Calibration Reset menu.
Note: Pressing Exit returns to the Configuration Menu without executing this procedure.
After successfully executing this process, verify its effectiveness by loading the ADF with a document containing
both light and dark content, and then perform a duplex copy. If the back side of the resulting copy contains
vertical streaks, clean the scanner glass and backing sheet, execute the back side scan uniformity procedure,
and then perform another copy. If streaks still appear on the resulting copy, repeat the cleaning and verification
procedure a second time or replace the ADF entirely.

Adf Magnification

This setting enables you to adjust the ADF's magnification. The magnification values are from 0.985 to 1.015.
The default value is 1.0.

EXIT DIAGNOSTICS

Touch Exit Diag Menu. The printer performs a power-on reset and returns to normal mode.
Service Manual
3-28
State Description
0 Legal paper is not present on the flatbed, or the scanner is not closed
1 Legal paper is present on the flatbed, is covering the third length sensor,
and the scanner cover is closed
0 Paper not present in the ADF, or positioned over the ADF bin sensor
1 Paper present in the ADF, and positioned over the ADF bin sensor.
0 Paper present in the ADF, and the paper edge guide is moved to the
Executive position
1 Paper is not present in the ADF, or the paper edge guide is not positioned in
the Executive position
0 Paper present in the ADF, and the paper edge guide is moved to the
Executive position
1 Paper is not present in the ADF, or the paper edge guise is not position in
the Executive position
Previous

Next

Go Back