Ricoh D146 Service Manual page 591

SC No. Level
SC No. Level
SC721-80 B
SC721-70 B
SC721-71 B
SM
Error Name/Error Condition/Major Cause/Solution
§
During movement to home, the home position could not be
detected within a predetermined pulse (p0 pulse) (1st time
is jam notification, 2nd time is SC notification).
§
During movement from home, the home position was
detected for longer than a predetermined pulse (p1 pulse)
(1st time is jam notification, 2nd time is SC notification).
The return pulse to home and pulse coming from home during
normal operation are calculated and measured. The pulses
which are 1.5-2 times the normal operation pulse are taken as
p0 and p1.
Error Name/Error Condition/Major Cause/Solution
Folding Transport Motor Error (1K sheet finisher)
§
Motor driver detects an error (short-circuit or overheating)
(1st time is SC)
Tray 1 Lift Motor Error (1K sheet finisher)
§
Motor driver detects an error (short-circuit or overheating)
(1st time is SC).
§
During descent, the paper surface sensor still detects paper
even after a predetermined time (t0sec) elapses (1st time is
jam notification, 2nd time is SC notification).
§
During ascent, the paper surface sensor could not detect
the paper surface even after a predetermined time (t0sec)
elapses (1st time is jam notification, 2nd time is SC
notification).
The return pulse to home and pulse coming from home during
normal operation are calculated and measured. The pulses
which are 1.5-2 times the normal operation pulse are taken as
p0 and p1.
Shift Motor 1 Error (1K sheet finisher)
5-117
Service Call 700-792
D146/D147/D148/D149/D150