Main Tray Error - Kyocera TASKalfa 7002i Service Manual

Step Check description
5 Checking the connection
6 Checking DF tray sensor
1, 2
7 Checking DF tray upper
side sensor 1, 2
8 Replacing the DF main
PWB
C8150: Main tray error 2
Object: 4000-sheet finisher
DF tray sensor 1 or 2, or , DF tray upper surface sensor 1 or 2 do not turn on and off when passing 5s when
the main tray descends.
Step Check description
1 Checking the main tray
2 Checking the drive parts
3 Checking the connection
Assumed cause
The connector is not prop-
erly connected. Or, the
wire is faulty.
DF tray sensor 1 or 2 is not
properly attached or faulty.
DF tray upper surface sen-
sor 1 or 2 is not properly
attached or faulty.
The DF main PWB is
faulty.
Assumed cause
The main tray is not prop-
erly assembled.
The main tray drive parts
are not properly attached
or faulty.
The connector is not prop-
erly connected. Or, the
wire is faulty.
7-448
Measures
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • DF tray sensor 1 -
DF main PWB • DF tray sen-
sor 2 - DF main PWB • DF
tray upper surface sensor 1 -
DF main PWB • DF tray
upper surface sensor 2 - DF
main PWB
Reattach DF tray sensor 1 or
2 and execute U241 [Fin-
isher] > [Tray U-Limit] or [Tray
HP2]. If the sensor does not
properly operate, replace it.
Reattach DF tray upper sur-
face sensor 1 or 2 and exe-
cute U241 [Finisher] > [Tray
Top]. If the sensor does not
properly operate, replace it.
Replace the DF main PWB.
Measures
If the main tray does not
move up and down manually,
repair the part that restricts
the operation.
Reattach the main tray drive
parts. If not repaired, replace
them.
Clean the terminal of the fol-
lowing wire connectors and
reconnect the connectors. If
there is no continuity, replace
the wire. • DF tray motor - DF
main PWB
2WA/2NJ/2RK
Reference
Wiring dia-
gram
Executing
U241
Executing
U241
Detaching
and reat-
taching the
DF main
PWB
Reference
Wiring dia-
gram