Konica Minolta bizhub C360 Service Manual page 782

Field Service Ver. 2.1 Feb. 2012
Step Section
13 Image Process
Adjustment
→Gradation
Adjust
(Service Mode)
14 Image Process
Adjustment
→ Max Image
2.1
Density Adj (Ser-
vice Mode)
15 Image Process
Adjustment
→ Stabilizer →
Initialize + Image
Stabilization
(Service Mode)
16 Printer control
board (PRCB)
PH relay board
(PHREYB)
17
Check item
"Conv. Value" falls within the
specified range as checked through
gradation adjust.
Dark: 0 ± 100
Highlight: 0 ± 60
The problem has been eliminated
through the adjust of Max Image
Density.
After the Initialize + Image Stabiliza-
tion sequence has been completed,
run gradation adjust.
Check the connection of connectors,
harness, and flat cables between
PRCB and PHREYB, and correct if
necessary.
The problem has been eliminated
through the checks of steps up to 16.
23. IMAGE QUALITY PROBLEM
Result Action
YES Go to step 17.
NO Go to next step.
NO Go to next step.
NO Change printer control board.
Change PH relay board.
NO Change drum unit.
→ Change PH unit.
→ Change high voltage unit.
727
2.1