Ricoh D146 Service Manual page 587

SC No. Level
SC721-17 B
SC721-24 B
SC721-25 B
SC721-27 B
SC721-28 B
SC721-30 B
SM
Error Name/Error Condition/Major Cause/Solution
Paper Eject Motor 2 Error (1K sheet finisher)
Motor driver detects an error state (DC motor control error) (1st
time is jam notification, 2nd time is SC notification).
Paper Exit Guide Plate Open/Close motor Error (1K sheet
finisher)
§
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.
Punch Drive Motor Error (1K sheet finisher)
§
During movement to home, the home position could not be
detected within a predetermined time (t0 sec) (1st time is
jam notification, 2nd time is SC notification).
§
During movement from home, the home position was
detected even after a predetermined time (t1 sec) elapsed
(1st time is jam notification, 2nd time is SC notification).
§
Output from the encoder could not be counted for a
predetermined number of times within a predetermined time
(t0 sec) (1st time is jam notification, 2nd time is SC
notification).
§
The time to return to home without fail, the time coming from
home, and the time for which the encoder output can be
counted during normal operation, are taken as t0, t1 and t2.
Punch Displacement Motor Error (1K sheet finisher)
Punch Horizontal Registration Detection Error (1K sheet
finisher)
Jogger Motor 1 Error (1K sheet finisher)
5-113
Service Call 700-792
D146/D147/D148/D149/D150