Int 21 Fn 5FA3  - Lantastic V3+ - Get Printer Status                       [N]

   AX = 5FA3h
   BX = physical printer number (00h-02h = LPT1-LPT3, 03h-04h = COM1-COM2)
   DS:SI -> buffer for printer status (see #1425)
   ES:DI -> ASCIZ server name in form "\\machine"

Return: CF clear if successful
   CF set on error
       AX = error code
   BX = next physical printer number

Note:  you must be logged in to the specified server

Format of LANtastic printer status:
Offset Size    Description (Table 1425)
 00h   BYTE    printer state (see #1426)
 01h   WORD    queue index of print job being despooled
       FFFFh if not despooling--ignore all following fields
 03h   WORD    actual characters per second being output
 05h   DWORD   number of characters actually output so far
 09h   DWORD   number of bytes read from spooled file so far
 0Dh   WORD    copies remaining to print

Bitfields for LANtastic printer state:
Bit(s) Description (Table 1426)
 7 printer paused
 0-6   0 printer disabled
   1 will stop at end of job
   2 print multiple jobs