Konica Minolta bizhub PRO 1050 Service Manual page 460

10. SERVICE MODE
No.11 Beam check (8-bit output)
[Check Items 1]
• Check the solid black pattern to see if there is uneven density found in the main scan and sub scan direc-
tions.
[Recommended checkpoints]: Charger unit, transfer/separation charger unit, developing unit, writing
dust-proof glass.
[Check Items 2]
• Check to see if there is any image repelling in the gradation pattern at the leading/trailing edge of the test
pattern in the sub scan direction.
[Recommended checkpoints]: transfer/separation charger unit
Test pattern
[1] Solid black pattern
426
Wichtig: Test pattern density auf 255 einstellen !
Field Service Ver3.0 Nov.2006
[1]
[2]
[2] Gradation pattern
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