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07-280 HCF Communication Fault RAP
Fault Code 07-280 indicate that an HCF communication fault has occurred.
Procedure
Go to
Flag 1
on BSD 8.13. Check the wires for an open circuit or a short circuit to ground. If the
wires are good, replace the HCF Control PWB
the IOT CPU PWB
(PL
9.2).
Reissue
DocuColor 12/DCCS50
(PL
15.16). If the problem continues, replace
07-289 HCF Broken Failure RAP
The HCF Stack Height Sensor failed to change state within the specified time after the HCF
Tray started to lift.
NOTE: Prior to switching off the machine, ensure all pending jobs are saved.
Initial Actions
•
Check for obstructions in the paper path.
•
Ensure connector
P/J841
on the HCF Control PWB is seated properly.
•
Refer to BSD 7.11 and 7.12 in the following procedure.
Procedure
Enter dC330, 007-186 HCF Stack Height Sensor and press Start. Pull the HCF Tray out.
The display changed from L to H.
Y
N
Check for +5VDC between pins 1 and 3 of
measured between pins 1 and 3 of P/J841.
Y
N
Check for +5VDC between pins 3 and 4 of
sured between pins 3 and 4 of J2.
Y
N
Check for +5VDC between pins 20 and 9 of P/J44 Distribution PWB. +5VDC is
measured between pins 20 and 9 ofP/J44.
Y
N
Go to Wirenet +5 VDC-1 Figure 7.
Go to
Flag 3
on BSD 8.13. Check the connector and wiring for an open circuit.
Replace the HCF Control PWB
Go to
Flag 2
and
Flag 4
on BSD 7.11. Check the connectors and wiring for an open cir-
cuit. If the connectors and wiring are OK, then replace the Stack Height Sensor
15.12).
Enter dC330, 007-079 HCF Elevator Motor and press Start.
Do not operate the component control more than twice before resetting paper position. To
lower the paper from the feed position, pull out respective tray. If the tray is overdriven it will be
hard to pull out and may cause component damage.
Ensure that the Elevator Motor energizes. The Elevator Motor energizes and then deener-
gizes within 30 seconds.
Y
N
Check for +24VDC between pins 2 and 1 of
sured between pins 1 and 2 of
must be taken within 30 seconds after closing the tray.)
Y
N
Check for +24VDC between pins 1 and 2 of J2HCF Control PWB. +24VDC is mea-
sured between pins 1 and 2 of
A
B
1/05
07-280 HCF Communication Fault RAP , 07-289
8a-3
P/J841
on the HCF Control PWB. +5VDC is
J2
HCF Control PWB. +5VDC is mea-
(PL
15.16).
CAUTION
P/J845
HCF Control PWB. +24VDC is mea-
P/J845
on the HCF Control PWB (This measurement
J2
on the HCF Control PWB.
High Capacity Feeder
(PL
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Troubleshooting
