Ricoh FT5580, Service Manual

Page: 15 / 522

12 June 1987
6. Remove the rear cover (2 screws), the left cover [A] (2 screws), and
the scanner lock plate [B] (1 screw).
NOTE: Reinstall the screw for future use.
Do not throw away the
scanner lock plate.
It is necessary to reinstall it if the copier
is to be transported long distances (by vehicle).
7. Remove the main PCB shielding plate [C] (2 screws), and move the
jumper connector (JPSW 191) on the timer PCB [D] from the upper
( p r i n t e d “ O F F ” ) t o t h e l o w e r p o s i t i o n . T h e n , r e i n s t a l l t h e r e m o v e d
covers if no peripherals are to be installed.
8. Remove the fusing unit,
t h e n r e m o v e t h e f u s i n g u n i t c o v e r [ E ] ( 2
screws, 1 shoulder screw).
9. Prime the oil supply pad [F] with silicon oil [G]. Then, fill the oil tank
[H] with silicon oil.
10. Manually operate the oil pump lever [I] and confirm correct operation
and the overall condition of the silicon oil supply assembly.
Then,
reassemble the fusing unit.
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