Xerox 7750DXF - Phaser Color Laser Printer Service Manual page 194

Troubleshooting Procedure
Step Actions and Questions
4 1. Perform the "RegiCon #2 In/Out
Skew Adjustment" on page 6-8.
2. Do the results indicate the test has
passed?
5 1. Perform the "RegiCon #3 Center
Skew Adjustment" on page 6-9.
2. Do the results indicate the test has
passed?
6 1. Verify the MOB sensor is correctly
positioned in the center and repeat
the RegiCon #3 test.
2. Does the test pass now?
7 1. Print the Grid 1-Dot test print.
2. Do the colors all align correctly?
8 1. Perform the "RegiCon #4 Coarse
Skew Adjustment" on page 6-10.
2. Do the results indicate the test has
passed?
6-6
Yes
Perform skew
correction
adjustments as
indicated in the
panel data until less
that +/- 5 clicks are
required for each
color.
Go to step 5.
Go to step 7.
Go to step 7.
Complete. Follow
the procedure
"Store Engine
NVRAM" on
page 6-21.
Perform the skew
correction
adjustments as
indicated in the
panel data, only
until the test
passes, then go
back to step 3.
Phaser 7750 Printer Service Manual
No
Go to step 8.
Go to step 6.
Diagnose and
repair the MOB
sensor.
Go to step 8.
Perform the
"Coarse RegiCon
Initialization" on
page 6-12, then
repeat this step.