Minolta CF910 Service Manual page 379

<Troubleshooting Procedure>
Symptom Step
• Paper is not
1
detected.
• Paper is not
1
taken up at
all.
• Paper does
not reach
2
PC19.
3
4
5
Check Item
Is Mnl-PEmp (PC15) operational
as checked with "Switch 1
(Paper)"?
Does the paper being used con-
form to the product specifica-
tions?
Is the paper curled, waved, or
damp?
Is the Manual Bypass Take-Up
Roll deformed, worn, or dirty with
paper dust?
Is the voltage across PJ7K-1 on
PWB-K and GND as follows?
CL14 condition:
When energized: Approx. DC0V
When deenergized: Approx.
DC24V
Is the voltage across PJ7K-3 on
PWB-K and GND as follows?
SL20 condition:
When energized: Approx. DC0V
When deenergized: Approx.
DC24V
T-13
Result Action
NO Check the PC15 actua-
tor and, if it is okay,
change PC15.
NO Instruct the user to use
paper that conforms to
the product specifica-
tions.
YES Change the paper.
Instruct the user to
store the paper prop-
erly.
YES Clean or change the
Manual Bypass Take-
Up Roll. ("Feed Motor
Speed" of "Machine
Adjust")
YES Change CL14.
NO Change PWB-K.
YES Change SL20.
NO Change PWB-K.