The automatic line position adjustment usually is done for a specified condition to get the best color prints.
Do the following if color registration shifts:
Do "Auto Color Registration" as follows to do the forced line position adjustment.
First do SP2-111-3.
Then do SP2-111-1.
To check if SP 2-111-1 was successful, watch the screen during the process. A message is displayed at the end. Also, you can check the result with SP 2-194-10 to -12.
You should also do the line position adjustment at these times:
After you transport or move the machine (you should do the forced line position adjustment if you install the machine at the user location.) if the machine is pre-installed at the workshop and moved to the user location,
When you open the drum positioning plate
When you remove or replace the motors, clutches, and/or gears related to the drum/development/transfer sections
When you remove or replace the image transfer belt, image transfer belt unit or laser optical housing unit