Xerox ColorQube 9303 Series - Page 74

February 2013
2-50
ColorQube® 9303 Family
03-790-00, 03A
Status Indicator RAPs
03-790-00 Timezone Cannot Be Set RAP
03-790-00 At power up the Timezone is not valid due to NVM corruption, or OS file system
problem. Timezone overridden to GMT: DST disabled.
Procedure
WARNING
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
Reset the time zone in customer domain tools, refer to GP 5.
03A Foreign Device PWB Fault RAP
Use this RAP when the foreign interface device is not detected.
Initial Actions
WARNING
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
CAUTION
Do not show the customer how to install a temporary shorting link. Do not leave a shorting link
installed.
• Switch off the machine, then switch on the machine, GP 14.
• Ensure the foreign device interface PWB, PL 3.11 Item 14 is securely connected to the
single board controller PWB, PL 3.11 Item 13.
Procedure
If available check the operation of the foreign interface device with a foreign interface test tool,
PL 26.10 Item 14, in conjunction with the 7655/65/75 indicator/instruction chart.
To check a foreign interface device if the test tool is not available/suitable, perform the proce-
dure that follows:
Refer to WD 3.3. Check the foreign device interface harness, PL 3.11 Item 23. The harness
is good.
YN
Perform the following as necessary:
• Repair the harness, REP 1.1.
• Install a new foreign device interface harness, PL 3.11 Item 23.
NOTE: Do not attempt to repair the harness from the bulkhead connector to the foreign
device.
Check the +3.3V supply to PJ25 at pins 1, 5, 9, 16 and 22 on the single board controller PWB.
The +3.3V supply is good.
YN
Check the +3.3V distribution. Refer to:
• 01C +3.3V Distribution RAP.
• 01L 0V Distribution RAP.
Disconnect the foreign device. Install a temporary shorting link between pins 2 and 3 on the
foreign device interface harness bulkhead connector. Check the voltage at pin 2.
0V is mea-
sured.
YN
Install a new foreign device interface PWB, PL 3.11 Item 14.
Install a temporary shorting link between pins 1 and 3 on the foreign device interface harness
bulkhead connector. Check the display.
The machine is enabled.
YN
Install new components as necessary:
• Install a new foreign device interface PWB, PL 3.11 Item 14.
• Single board controller PWB, PL 3.11 Item 13.
The enable circuits are working correctly.
NOTE: Currently the signals used for billing, e.g. machine function, premium tray, etc. cannot
be adequately measured with a standard meter.