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20G Embedded Fax Checkout
Use this RAP to check for problems with the embedded Fax PWB.
Initial Actions
•
Switch off the machine, then switch on the machine, GP 14.
•
Check that the embedded fax PWB is located correctly, Figure 1.
•
Check that the embedded fax PWB is correctly grounded. Ensure that the grounding strip,
PL 20.10 Item 7 is securely attached to the bracket of the embedded fax PWB.
•
If an extended fax PWB has just been installed and the fax continues to reset with an
error message. Refer to 20-327 Extended Fax PWB failure RAP
•
For copy quality defects, go to IQ9 Unacceptable Received Facsimile Image Quality RAP.
Procedure
Go to Flag 1. Check the voltages at PJ55.
•
(32-55 ppm) P/J155.
•
(65-87 ppm) P/J155
The voltages are good.
Y
N
Refer to the following:
•
01B 0V Distribution RAP.
•
01D +3.3V Distribution RAP
•
01E +5V Distribution RAP
•
01F +12V Distribution RAP
If necessary install a new Riser PWB, (32-55 ppm) PL 3.15 Item 3 or (65-87 ppm) PL 3.11
Item 6.
Switch off the machine GP 14. Disconnect the following:
•
The Embedded Fax PWB from the Riser PWB.
•
The Riser PWB from the Image Processing PWB.
NOTE: The riser PWB may also be connected to the firewire PWB. If necessary unplug
the firewire PWB.
Check that the connectors are clean and not damaged. If the connectors are damaged then
install new components as necessary:
•
Riser PWB, (32-55 ppm) PL 3.15 Item 3, (65-87 ppm) PL 3.11 Item 6.
•
Embedded fax PWB, PL 20.10 Item 4.
•
Image processing PWB, (32-55 ppm) PL 3.20 Item 3, (65-87 ppm) PL 3.10 Item 3.
Reconnect the following:
•
The riser PWB to the image processing PWB.
NOTE: If necessary reconnect the Firewire PWB.
•
The embedded fax PWB to the riser PWB.
Switch on the machine, GP 14. The fault is cleared.
Y
N
Return to the original fault code RAP and perform the remaining actions in the procedure.
A
Status Indicator RAPs
20G
A
Go to SCP 6 and perform the final actions.
Figure 1 Component location
August 2007
2-718
Image processing PWB
Riser PWB
Embedded Fax
PWB
WorkCentre 5687 Family
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