Konica Minolta AFR-12 General, Mechanical/Electrical page 72

Symptom Step No.
The document has
stopped near the
Registration
Roller.
Rev. 1.0/05.99
Mis-feed at the ADF Transport Section
Check Item
1 Does the document used
meet the specifications for
reliable feeding?
2 Is the Registration Roller
deformed, worn or dirty?
3 Are there any problems
along the document path
between the Registration
Roller and Transport Belt?
4 Is the Transport Belt
installed properly?
5 Is the Transport Belt
deformed, worn or dirty?
6 Carry out the unit test for the
Registration Sensor (PWB-
D) to check whether it
functions properly.
7 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?
8 Is the tension of the Timing
Belt correct?
T-5
Result Action
NO Instruct the user to use
documents that meet the
specifications for reliable
feeding.
YES Clean the Registration Roller.
YES Clean, repair or replace the
transport path.
NO Install it properly.
YES Clean or repair the Belt.
YES Go to step 8.
YES Replace PWB-A.
NO Replace PWB-B.
NO Adjust the tension of the
Timing Belt.
AFR-12/AF-5