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    How to Troubleshoot the D9131A Printer Module

    Overview: The green LED on the back of the D9131A gives indication of the units operation. The green LED will flash a series of rapid blinks when it sends data to the printer. When it blinks for about a half second on and then off, it is buffering data but is not seeing the printer. When this happens, the printer should be checked for proper operation. Check paper, on-line status and connections. If the green LED is off, the D9131A is idle and has no data to transfer.


    Green Led flashing in half second intervals.  Printer is not printing.


    The green LED flashing in 1/2-second intervals indicates the D9131A is buffering data from the panel.  The printer not printer indicates that the D9131A unable to send data to the printer.

    Check the printer for correct wiring and  options/settings . Ensure printer not out of paper, is online and working correctly.  (Hint: You may try connecting the printer to a computer and see if you can print to it via Windows.)

    - Verify wiring to D9131A:

        • SDI PWR   -panel terminal 32
        • SDI COM   -panel terminal 29
        • SDI-A         -Panel terminal 31
        • SDI-B         -panel terminal 30

    - Verify programming and D9131A addressing

        • D9131A switch 1 & 2 on    = Printer 17
        • D9131A switch 1 off, 2 on = Printer 18
        • D9131A switch 1 on, 2 off = Printer 19

     In panel programming verify:

    9000MAIN > Panel Wide Parameters > Printer Parameters:

    Verify printer address matches the D9131A setting,  has a Scope set to Panel wide, Account wide, Area wide or Custom. The Default setting is NO PRINTER

    Part numbers D7212, D7412, D9112, D9124, D9412, D7212G, D7412G, D7412G, D9124G, D9412G, D7212GV2, D7412GV2, D7412GV2, D9124GV2, D9412GV2, D7212GV3, D7412GV3,D7412GV3, D9412GV3, D7212GV4, D7412GV4, D7412GV4, D9412GV4,

    Version history
    Last update:
    ‎07-03-2018 05:22 PM
    Updated by:
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