2WA/2NJ/2RK
7-110
3 Checking the paper Paper curled or waved by
moisture absorption.
Fix or replace paper. If it is
difficult to replace, relocate
the leading edge with the
trailing edge of the paper to
feed or turn over the paper,
and reinstall it.
4 Checking the registration
sensor
The registration sensor
does not operate properly.
Turn the registration sensor
on and off manually and
check the indication at U031
[Regist]. If the registration
sensor does not properly
operate, clean and reattach it
and reinsert the connector. If
not repaired, replace it.
Executing
U031
5 Checking duplex motor 2 Duplex motor 2 does not
properly operate.
Execute U030 [DU2]. If
duplex motor 2 does not
properly operate, reattach it
and reinsert the connector. If
not repaired, replace it.
U030 Exe-
cution
6 Checking the drive parts The drive from duplex
motor 2 is not properly
transmitted.
Reattach the drive parts of
the duplex motor 2. If not
repaired, replace the parts
faulty in operation.
7 Checking the connection The connector is not prop-
erly connected or the wire
is faulty.
Clean the terminal of the fol-
lowing wire connectors and
reinsert the connectors.
Replace the wire when it has
no continuity.• Registration
sensor - Feed PWB• Duplex
motor 2 - Relay PWB• Relay
PWB - Feed PWB• Feed
PWB - Engine PWB
Wiring dia-
gram
8 Replacing the relay PWB The relay PWB is faulty. Replace the relay PWB.
9 Replacing the feed PWB The feed PWB is faulty. Replace the feed PWB.
10 Replacing the engine PWB The engine PWB is faulty. Replace the engine PWB. Detaching
and Reat-
taching the
engine
PWB
Step Check description Assumed cause Measures Reference
To Next Page
Loading...
