bh1s.bk : bh1sdiag.doc 25 Thu Apr 20 12:42:16 1995
Diagnostic Information
25
printer on for about two minutes each time. Other causes are the same
as for “Blank Page”.
See
“Blank Page” on page 16.
Make sure Print Darkness on the customer Setup menu is set to Nor-
mal or Dark. Increasing the diagnostics mode Print Contrast setting will
darken print further.
PostScript emulation output may appear lighter than PCL emulation
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
Note: Note: All network card errors are recorded as 977 in the error
log. If you are here because there are 977 errors in the log, POR
several times to recreated the actual 97x error. If the 97x error on
the operator panel is not a 977, follow the instructions in the
Diagnostic table. See “Diagnostic Information” on page 5.
1. Determine where the error is for the Network card (in J6, the
lower connector; twinax or coax) or for the Network 2 card (in
J12, the upper connector; INA for LAN attachment). This
information should be posted with the error. See “RIP Board” on
page 108.
2. Remove the suspect card (coax/twinax or LAN). Reseat the
card. If this fixes the problem, stop here.
3. Check for +5VDC at pin B24 (upper right pin?) at the RIP board
connector (J6 or J12). If the voltage is incorrect, replace the
engine board (“RIP Board, Inner EMC Shield, and Engine Board
Removal” on page 91).
4. If the +5VDC is OK, you have a problem with the card.
•
For Network 2 errors, install a new LAN card. Your
customer will need to tailor his Network 2 Menu setting on
the new card.
•
For Network 1 cards, go to “Host Attachment Card / IPDS
Card Removal” on page 82.
Network Wrap Tests
Token-Ring with Shielded Twisted-Pair Cable: Disconnect the LAN
cable from the electrical outlet, leaving it connected to the printer net-
work card.
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