Lexmark T63 Series, Service Manual

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Service Manual
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Base Sensor Test
This test is used to determine if the sensors located inside the printer are working correctly.
The following sensors can be checked:
•
Toner optical sensor
•
Input sensor
•
Output sensor (fuser exit)
•
Narrow media sensor (fuser)
•
Cover closed switch (upper front cover)
To run the Base Sensor Test:
1.
Select Base Sensor Test .
The operator panel displays OP for open and CL for closed.
2.
Manually toggle the sensors to verify that each sensor switches from open to closed.
Print registration
To set print registration:
1.
Select Registration from the Diagnostic menu.
The Top margin sign/value pair blinks. This indicates it is the margin value being changed.
2.
To select the margin value to be changed press Select until the margin value pair you want to
change is blinking.
The print registration range is:
3.
To change the margin value press Menu . When the value you want displays, press Select to
save the value.
4.
To exit the Registration menu, press Return .
To verify the margin values are correct you must print the “Quick Test Page” from the registration
screen. Press
Go to print the test page. While printing the Quick Test Page the “Quick Test Printing”
message displays. Once the Quick Test Page completes printing, the Registration screen displays
again.
Print the Quick Test Page on letter or A4 paper.
T=xxx* B=xxx*
L=xxx* R=xxx*
Variable Description Value
B= Bottom margin -20 to +20 Each increment causes
approximately 0.55 mm shift in the
bottom margin
T= Top margin -25 to +25
L= Left margin -25 to +25
R= Right margin -10 to +10