Konica Minolta AFR-12 General, Mechanical/Electrical page 74

Symptom Step No.
The panel
indicates a
misfeed in the
ADF when a
document is
placedon the
Document Feed
Table.
4.3
Rev. 1.0/05.99
Misfeed Detected When Documents are Loaded
Check Item
1 Is there still a document in
the ADF?
2 Carry out the unit test for the
Registration Sensor (PWB-
B) to check whether it
functions properly.
3 Does the voltage across
CN5-5 on PWB-A and GND
change from "H" to "L" when
the light is blocked with a
piece of paper?
4 Carry out the unit test for the
Size Sensor (PWB-C) to
check whether it functions
properly.
5 Does the voltage across
CN3-3, 3-4 and 3-5 on
PWB-A and GND change
from 5 VDC to 0 VDC when
the light is blocked with a
piece of paper?
6 Does the actuator of PWB-C
operate properly?
T-7
Result Action
YES Remove the document.
YES Go to step 4.
YES Replace PWB-A.
NO Replace PWB-B.
YES Go to step 6.
YES Replace PWB-A.
NO Replace PWB-C.
YES Repair or replace the actuator.
AFR-12/AF-5