Troubleshooting; Misfeed Detection - Konica Minolta AFR-12 General, Mechanical/Electrical

4 T
ROUBLESHOOTING
4.1

Misfeed Detection

Description
Document not reaching
Registration Sensor (PWB-B)
Take-Up Motor (M1) malfunction
Description
Document staying at Registration
Sensor (PWB-B)
Document staying on Glass (before
operation)
Document staying on Glass (after
operation)
Misfeed at the Turnover/Exit Section (AFR-12 only)
Description
Document not reaching Exit Sensor
(PWB-E) (during ejection/turnover)
Document staying at PWB-E
(during ejection)
Document staying at PWB-E
(during turnover)
Description
Document not reaching Exit Sensor
(S4)
Document staying at S4
Rev. 1.0/05.99
Misfeed at the ADF Take-Up/Single Feed Section
PWB-B is not activated within approx. 1 sec. after Take-Up Motor
(M1) is energized.
Document Feed Pulse Sensor (M1CLK) is not activated within
approx. 0.2 sec. after M1 is energized.
Misfeed at the Transport Section
PWB-B is not activated even if the next document has reached the
scan position.
A sensor indicates that there is still a document in the document
path when the next document is placed on the Document Feed
Table and all covers are closed.
Exit Sensor (PWB-E: AFR/12, S4: AF-5) is activated when a 1st
document is taken up and fed in.
S4 is not activated within approx. 0.5 sec. after Turnover/Exit Motor
(M3) is energized.
PWB-E S4 is not deactivated within approx. 2 sec. after PWB-E is
activated.
PWB-E S4 is not deactivated within approx. 2 sec. after PWB-E is
activated.
Misfeed at Exit Section (AF-5 only)
S4 is not activated within approx. 0.7 sec. after Turnover/Exit Motor
(M3) is energized.
S4 is not deactivated within approx. 3 sec. after S4 is activated.
T-1
Detection Timing
Detection Timing
Detection Timing
Detection Timing
AFR-12/AF-5