High Voltage Section - Sharp SF-2020 Service Manual

5. High voltage section

Clean the MC case, and the TC/SC case every 50K copies. Clean the
screen grid, the charging plate (saw teeth), and the TC/SC wire every
50K copies, and replace them every 100K copies.
5-1. Main charger (MC) unit
1
Open the front cover.
2
Hold the MC unit lock section, and pull out the MC unit.
3 A B
Loosen screws and , and remove screen grid
(When attaching the screen grid, tighten screw
F
ing position of grid holder
F
marking position of MC holder
A
B
E
.
B
until the mark-
C
in the above figure is aligned with
D A
, and tighten screw .)
E
A
F
B
4
Remove the screw and remove the charging plate (saw teeth)
ass'y.
(Cleaning/replacement and note)
1
When attaching the screen grid, be careful not to deform and dirt
the screen grid. Check that the screen grid is securely in position.
2
Be careful not to deform the saw teeth edge of the saw teeth
ass'y.
3
Do not touch the inside (saw teeth ass'y) of the MC case, the
screen grid, and the saw teeth.
4
To clean the MC saw teeth, push styrene foam onto the saw teeth
at right angles and remove dirt.
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