(2)Paper misfeed in the Second image transfer section <Detection timing>

 

Category

 

 

 

 

Details

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If PC2 does not pass through when a set amount of time has

 

 

 

 

 

passed after the paper interrupts the synchronizing roller sensor

 

 

Paper misfeed detected in the

 

(PC2)

 

 

 

 

 

Second image transfer section

 

If the light is not interrupted even after the paper has passed the

 

 

 

 

 

interruption position for the fusing paper loop detecting sensor

 

 

 

 

 

(PC11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remaining paper detected in the

 

If the synchronizing roller sensor (PC2) is interrupted when the

 

 

 

machine is turned on, doors and covers are opened, then

 

 

Second image transfer section

 

 

 

 

closed, and paper misfeeds and malfunctions are corrected

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

<Remedy>

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical components for detection of the paper misfeed

 

 

 

 

 

 

 

 

 

 

 

 

 

Synchronizing roller sensor (PC2)

 

 

 

Master board (PWB-A)

 

 

 

Fusing paper loop detecting sensor (PC11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reference

 

WARNING DIAGRAM

 

Step

Remedy

 

 

 

 

 

 

 

 

page

 

Control signal

Location(electrical com-

 

 

 

 

 

 

 

ponent)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

Perform initial check proce-

 

152

 

-

 

-

 

 

dures.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

Check PC2 operation.

 

149

 

PC2_ON

 

5-D

 

 

 

 

 

 

 

 

 

 

3

Check PC11 operation.

 

149

 

PC11_ON

 

9-B

 

 

 

 

 

 

 

 

 

 

 

4

Replace PWB-A.

 

-

 

-

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

(3)Paper misfeed in the fusing section or the paper feed-out section <Detection timing>

Category

Details

 

 

Paper misfeed detected in

If PC10 does not pass through when a set amount of time has passed

the paper feed-out section

after the paper interrupts the exit sensor (PC10)

 

 

Remaining paper detected

If the exit sensor (PC10) is interrupted when the machine is turned on,

in the paper feed-out sec-

doors and covers are opened, then closed, and paper misfeeds and

tion

malfunctions are corrected

 

 

<Remedy>

Electrical components for detection of the paper misfeed

Exit sensor (PC10)

 

Master board (PWB-A)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reference

WARNING DIAGRAM

Step

Remedy

 

 

page

 

Control signal

Location(electrical

 

 

 

component)

 

 

 

 

 

 

 

 

 

 

 

1

Perform initial check procedures.

152

 

-

-

 

 

 

 

 

 

2

Check PC10 operation.

149

 

PC10_ON

3-D

 

 

 

 

 

 

3

Replace PWB-A.

-

 

-

-

 

 

 

 

 

 

156