Ricoh B264 Service Manual page 243

740 D Booklet finisher error 1: Not Saddle Stitch
741 D Booklet finisher error 2: Saddle Stitch
SC740 and SC741 are issued when an error occurs in the 1000-Sheet Saddle-
Stitch Finisher B546. Specific details about these SC codes are not displayed on
the operation panel display. However, you can determine the specific cause of an
error by observing the number of flashes and the lengths of the intervals between
flashes.
To Read SC740/SC741 from LED 2
1. Remove the upper rear cover.
2. Look at LED 2 and observe the number of flashes and the lengths of the
intervals between flashes.
LED ON
LED OFF
2sec
START
What You See
500 ms ON, 500 ms OFF
2 s ON, 1 s OFF
Example: 1-4-2
1 300ms ON, 500ms OFF
4 300ms ON, 200ms OFF (Repeats 3 times), 300ms ON, 500ms OFF (break)
2 300 ms ON, 200ms OFF, 300 ms ON, 500ms OFF (break)
Returns to START and repeats (2 s ON, 1 s OFF, then 1-4-2)
SM
ON: 300ms OFF: 200ms
1sec
Break: 500ms
1 4
What It Means
Finisher operating normally
START
The numbers refer to the flashes and intervals in the
illustration above.
4-15
SERVICE CALL CONDITIONS
• See description below
Break: 500ms Break: 500ms
2 Repeat
B195T901.WMF
B264/B265