KONICA MINOLTA 8050/CF5001/C500/8150 Field Service Ver.3.0 Dec. 2004
No.11 Beam check
[Check Items 1]
• For development and analysis of the write unit
[Check Items 2]
• Check the solid black pattern [1] to see if there is uneven density found in the main scanning and sub-
scanning directions.
[Recommended checkpoints]: Charging corona, developing unit, transfer belt unit, and 2nd transfer unit
[Check Items 3]
• Check to see if there is any image repelling in the gradation pattern [2] at the leading/trailing edge of the
test pattern in the feed direction.
[Recommended checkpoint]: Transfer/separation corona unit
Test Pattern
[1] Solid black pattern
[2] Gradation pattern
1-99
36 MODE
[1]
[2]
8050fs1020