LPR and LPD Registry Entries for TCP/IP Printing (121786)

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LPR Print Monitor

One parameter under:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Print\Monitors\ LPR Port\Ports\<portname>

This specifies the format control character that the LPR Print Monitor should send to the print server through the control file. By default, this parameter doesn't exist in the Registry, and "l" (lowercase L) is sent as the control character. This can be set to any string. If set, the first letter of the string is taken (the rest of the string is ignored) as the format control character and sent to the print server. Some situations may need 'f' to be used instead of 'l', and this parameter can then be used.

LPDSVC

Three parameters under:

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\LPDSVC\Parameters

Setting this parameter to 0 disables job removal (that is, once submitted, the job cannot be removed using LPRM, no matter who submitted it originally). If for any reason it is required that LPDSVC not delete a job from the queue once submitted, this parameter should be set to 0. Default is 1 (that is, allow a job to be removed--if request to remove is from the computer that submitted it originally).

If a printer is paused, by default anyone can cause it to be resumed by sending the appropriate LPR command. If this parameter is set to 0, request from anyone to resume printer is ignored. Default is 1 (that is, honor any request to resume printing).

This parameter specifies how many users can concurrently send a job to LPDSVC. Default is 100.