Kyocera TASKalfa 7002i Service Manual page 1116

Step Check description
3 (When the paper skew
occurs) Checking the actu-
ator and the spring
4 (When the paper skew
occurs) Checking the con-
veying guide
5 Checking the feedshift
guide
6 Checking exit roller B
7 Checking the switchback
sensor
8 Checking the feedshift
solenoid
9 Checking the switchback
motor
10 Checking the drive parts
Assumed cause
The actuator does not
operate properly.
The paper is caught with
the conveying guide.
Foreign objects such as
toner adhere on the feed-
shift guide
Exit roller B does not
rotate.
The switchback sensor
does not properly operate.
The feedshift solenoid
does not operate properly.
The switchback motor
does not properly operate.
The drive from the switch-
back motor is not properly
transmitted.
7-256
Measures
The actuator or the spring is
deformed, or if not properly
operate, replace it.
Reinstall the conveying
guide. If there are burrs on
the conveying surface of the
conveying guide, remove
them. If not repaired, replace
it.
Clean the feedshfit guide. Or
replace it.
If the drive gear is deformed,
bushing is scraped, replace
the exit roller B drive parts.
Turn the switchback sensor
on and off by a hand and
check the indication at U031
[Exit Paper]. If the switchback
sensor does not properly
operate, clean and reattach it
and reinsert the connector. If
not repaired, replace it.
Execute U033 [Branch Exit]
to check the feedshift guide
operation. If the guide does
not properly operate, reattach
the feedshift solenoid and
reinsert the connector. If not
repaired, replace it.
Execute U030 [SB(CW)] or
[SB(CCW)]. If the switchback
motor does not properly oper-
ate, reattach it and reinsert
the connector. If not repaired,
replace it.
Check if the switchback
motor smoothly rotates by a
hand. Then, clean and reat-
tach the drive parts if neces-
sary. If not repaired, replace
them.
2WA/2NJ/2RK
Reference
Detaching
and reat-
taching the
exit unit
Detaching
and reat-
taching the
exit unit
Executing
U031
Executing
U033
U030 Exe-
cution