Group 2000
SM 5-31 D014/D015/D078/D079
Service
Tables
2111 Force Tnr Pos
Force Toner Position Alignment.Touch [EXECUTE] to execute the MUSIC feature.
MUSIC is the "Mirror Unit for Skew and Interval Correction".
Three MUSIC sensors mounted above the ITB read three MUSIC sensor patterns
developed on the ITB.
The sensors read the patterns and the machine uses this feedback to adjust: 1) the
positions of the 3rd scanner mirrors to correct skew (main scan), and 2) the speed
of the drum motors to correct the intervals (sub scan) between the patterns.
If the vertical alignment of the patterns or the intervals are not correct, this causes
color offset. This adjustment is done for each color (Y, M, C, K).
MUSIC executes automatically:
When the machine is turned on or returns from an energy save mode.
At the interval prescribed by SP2153 015 (Default: 8 min.)
After completion of the process control cycle.
When the machine receives a job after remaining idle for a long period.
After the fusing unit exceeds the prescribed temperature.
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