Main Pwb Unit - Sharp SF-2020 Service Manual

9-4. Main PWB unit

1
Remove the rear cabinet upper.
2
Disconnect all the connectors (6 connectors) connected to the
main PWB.
3
Remove the main PWB plate (one screw).
4
Remove the main PWB from the plate. (2 screws)
9-5. AC power PWB
1
Remove the main PWB unit. (Refer to 9-3.)
2
Remove the rear cabinet lower.
3
Remove all the connectors (11 connectors) of the AC power PWB
and remove one grounding wire connected between the AC power
PWB and the copier chassis.
4
Remove two screws which are fixing the AC power PWB, and
remove the PWB.
9-6. Ozone filter (Check every 50K copies, and
clean every 100K copies.)
1
Remove the upper cabinet left, and the left cabinet. (5 screws)
2
Remove the ventilation fan motor (2 screws). (SF-2020)
3
Remove the process unit. Insert a screwdriver from the process
unit position into the copier to push out the oZone filter. (SF-2020)
(SF-2020)
6 – 24
(SF-2120)