Ricoh FT7770 Service Manual page 555

1) Accordion jam
Clean or replace any parts heavily contaminated with toner, such
as, hot roller strippers, oil pad, metering/cleaning blades,
thermistor, hot roller, and pressure roller.
Is silicone oil supplied properly?
Y N
\
Check the silicone oil supply mechanism
o 2 one-way valves
o rubber sleeve
o oil pump lever
o oil cam
Are both fusing lamps properly positioned?
(Refer to the FSM section 3.)
Correctly position the lamps.
Is the fusing temperature in the normal range?
Ready: 182°C
Fusing Lamp ON: 182°C
OFF: 185°C
Y N
I
Perform the hot roller temperature adjustment.
If the leading edge of the copy does not have a proper white
margin, readjust the registration or the erase timing.
13-31
30 April, '89