2MY/2MZ
1-4-50
(31)
DP paper feed 
clutch does not 
operate.
1. Defective connector 
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the 
connector cable. If none, replace the cable.
DP paper feed clutch and DP main PWB (YC8)
DP main PWB (YC1) and engine PWB (YC18)
2. Defective clutch. Replace the DP paper feed clutch.
3. Defective PWB. Replace the DP main PWB or engine PWB and check for 
correct operation (see page 1-5-29,1-5-32).
(32)
DP registration 
clutch does not 
operate.
1. Defective connector 
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the 
connector cable. If none, replace the cable.
DP registration clutch and DP main PWB (YC8)
DP main PWB (YC1) and engine PWB (YC18)
2. Defective clutch. Replace the DP registration clutch.
3. Defective PWB. Replace the DP main PWB or engine PWB and check for 
correct operation (see page 1-5-29,1-5-32).
(33)
An original jams 
when the main 
power switch is 
turned on.
1. A piece of paper torn 
from an original is 
caught around the 
DP paper feed sen-
sor, DP registration 
sensor or DP timing 
sensor.
Check visually and remove it, if any.
2. Defective sensor. Replace the DP paper feed sensor, DP registration sensor 
or DP timing sensor.
(34)
A message indicat-
ing cover open is 
displayed when the 
DP top cover is 
closed.
1. Defective connector 
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the 
connector cable. If none, replace the cable.
DP open/close sensor and DP main PWB (YC5)
DP main PWB (YC1) and engine PWB (YC18)
2. Defective DP open/
close sensor.
Replace the DP open/close sensor.
Problem Causes Check procedures/corrective measures