Auto Laser Diameter Adjustment (Drum Peculiarity Adjustment) - Konica Minolta bizhub PRO 920 Service Manual

10. TECH. REP. MODE

10.4.12 Auto laser diameter adjustment (drum peculiarity adjustment)

Automatically adjust the diameter of laser beam.
A. Procedure
1.
Enter the Tech. Rep. mode.
2.
"Tech. Rep. mode menu screen"
Press the [Process] key.
3.
A sub menu appears on the right side of the screen.
Press the [Drum Peculiarity Adjustment] key on the sub menu.
4.
"Drum peculiarity adjustment mode menu screen"
Press the [Auto Laser Diameter Adjustment] key.
5.
"Auto dot diameter adjustment screen"
Press the [Start] key. After the automatic adjustment, the message of completion appears.
Note
• When the following error messages appear, check to see if the toner control sensor board (TCSB)
is properly installed and cleaned. Conduct the adjustment again.
1) Error 1
The PGC sensor (PGCS) dirt correction on the TSCB has been conducted 10 or more times, but
it does not converge.
2) Error 2
The auto laser diameter adjustment completed with an abnormal value.
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Field Service Ver2.0 Aug.2005