Oki Data CONFIDENTIAL
42615101TH Rev.8 234 /
Figure 7.3
Ground
Charging Roller
Developing Roller
Toner Supply Roller
7.5.3.(7) Solid Black Print
(7-1) Solid black on a full page
CH terminal
CH terminal
ID unit terminal
CH output
Confirmation Tasks
Confirm that a terminal from the device is connected to a high
voltage terminal at the left side of the ID unit with visual check.
Confirm that a high voltage terminal is normal connection status.
Open the left cover to remove a high voltage board and then
check if the terminal is appropriately connected.
Confirm that a high voltage terminal of the ID unit is connected
to contact ASSAY with visual check.(See Fig. 7-3)
When there is a high voltage probe as a maintenance tool, open
the left cover to check CH output in printing from solder side of
the high voltage board with the high voltage probe.
Action at NG
Exchange the terminal
of the device.
Reinstall the terminal to
be in a normal status.
Exchange the ID unit or
high voltage board or
renovate the high
voltage terminal.
Use FUSE KEEP
MODE of the system
maintenance menu
when using a new ID
unit as a test.
Exchange a high
voltage board.
(7-1-1)Connection status of high voltage
(7-1-2)Output status of the high voltage
Confirmation Items
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