7)Solid Black Print; Solid Black Print; Solid Black On A Full Page - Oki C3530nMFP Maintenance Manual

7.5.3.(7) Solid Black Print

(7-1)

Solid black on a full page

Confirmation Items
(7-1-1) High-voltage contact condition
CH terminal
CH terminal
ID unit terminal
(7-1-2) High-voltage output condition
CH output
43605601TH Rev. 1
Confirmation Tasks
By visual inspection, look down to check whether
high-voltage terminal of left side of ID unit that
protrudes from the equipment is normal.
Check whether the high-voltage terminal of high-
voltage board is in normal contact state. Open the
left cover and remove the high-voltage board, check
whether terminal is installed abnormally.
By visual inspection, check whether the high-voltage
terminals of ID unit are normally contacted with
contacting ASSY. (Please refer to Figure 7.3)
When high-voltage probe is used as maintenance
tool, please open the left cover and check the CH
output from solder side of high-voltage board by high-
voltage probe during printing.(High-voltage probe is
not a usual maintenance tool.)
Charge roller
Ground
Development roller
Figure 7.3
Oki Data CONFIDENTIAL
Action at NG
Replace the
terminal of
equipment side with
a new one.
Reinstall the
terminal normally.
Replace the ID unit
or correct the high-
voltage terminals.
When trying to
use a new ID unit,
please be careful
not to break the
fuse with jig inside
the ID unit. (Please
refer to page 132)
Replace the high-
voltage board with a
new one.
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