![Triumph Adler DP 773 Service Manual Download Page 76](http://html.mh-extra.com/html/triumph-adler/dp-773/dp-773_service-manual_1169915076.webp)
3PH
1-4-7
(5)
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 1-5-5).
(6)
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 1-5-5).
(7)
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.
(8)
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.
3. Defective PWB.
Replace the DP main PWB or engine PWB and check for
correct operation (see page 1-5-5).
Problem
Causes
Check procedures/corrective measures
Summary of Contents for DP 773
Page 1: ...Service Manual Document Processor DP 773 First Edition Date 30 08 2013 3PHSM060 ...
Page 3: ...Revision history Revision Date Replaced pages Remarks ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 16: ...3PC 1 1 4 This page is intentionally left blank ...
Page 20: ...3PH 1 2 4 This page is intentionally left blank ...
Page 91: ...3PH 1 5 14 This page is intentionally left blank ...
Page 93: ...3PC 1 6 2 This page is intentionally left blank ...
Page 105: ...3PH 2 2 5 This page is intentionally left blank ...
Page 109: ...3PH 2 3 4 This page is intentionally left blank ...