Print Skew Correction - Lexmark MX81 series Service Manual

Print skew correction

This test is critical when cut paper is being used to align the ADF skew during reworks. Pallets of quality paper may be
found with more than 2 mm of skew.
1
Check the media squareness. See
2
Make sure the guides in the paper tray are properly aligned.
3
Check the base printer skew and registration.
4
Plug the printer into the power source and power the printer on in Diagnostics mode. See
page 227.
5
Measure L1, L2, T1, T2, R1, R2, B1, and B2 data points as shown in the following image.
6
Determine the following calculations:
•
L2-L1 = ___
•
R2-R1 = ___
•
T2-T1 = ___
•
B2-B1 = ___
7
Determine whether the printer passes or fails the skew specifications based on the values listed in the following
table:
"Media squareness check" on page
Repair information
288
286.
"Diagnostics menu" on
7463