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4039-1XX
PostScript emulation output may appear lighter than PCL output or a
test print; this is not a defect. Verify on the Print Test that the print is
too light before performing service.
Network Card 977 Errors
All network card errors are recorded as 977 in the error log. If there
are 977 errors in the log, POR several times and take the
appropriate action for the displayed error code.
If the displayed error is 977, verify that the network card is installed
and grounded correctly. Remove the network card and check for
+5VDC at pin B24 of (10P/10R/12R/12C/12L) J13 (16L) J12. If the
voltage is incorrect replace the system board; if there is +5VDC
replace the network card.
Network Wrap Tests
Token-Ring with Shielded Twisted-Pair Cable: Disconnect the
LAN cable from the electrical outlet, leaving it connected to the
printer network card.
Ethernet 10Base-2: Attach a 50 Ohm BNC terminator cap to each
end of the T-connector. The customer may be able to provide this
cap.
There is no wrap test for Token-Ring with Unshielded Twisted-Pair
cable or for Ethernet 10Base-T.
POR the printer. If the printer completes POR successfully, the
printer, network card, and the port to the LAN are working correctly.
If the customer still has a problem printing, see
page
22.
Output Bin Sensor
Examine the bin area for obstructions or damage. Run the
diagnostic sensor test.
"LAN Problems" on
Diagnostic Information
23
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