The Epson LQ2500 command set is a superset of the command sets belonging to the
Epson LQ1000, LQ800, LQ1500, EX series, FX series, LX series, RX series, MX
series, Epson printer, Standard printer, and Draft printer. Your problem is
not due to a command set difference; it is with the IBM graphics character
definitions and those of the ASCII character set defined by AppleShare PC.
You are using IBM graphic text characters, which are not a part of the
LaserWriter's PostScript or the U.S. Standard ASCII character sets.
Unfortunately, the characters defined for use by AppleShare PC stop at ASCII
value 176. The graphic characters of the IBM character set begin at a higher
value within the ASCII range.
Page 104 of the "AppleShare PC 2.0 User's Guide," shows the characters
available from the Epson LQ2500 AppleShare PC option. Printing Epson graphics
while using AppleShare PC Epson option does work. A program printing through
AppleShare PC must use bitmapped graphics to generate lines or other graphics
when using the Epson LQ2500 option.
There are a couple of possible workarounds that the TOPS Netprint program may
have used to avoid this situation. The optional symbol set within the
LaserWriter does include some horizontal and vertical line symbols. These may
have been mapped into the same characters used by your customer's program. You
can also create new character definitions within PostScript, and the IBM
characters may have been recreated and defined as part of the LaserWriters
ASCII character set.
AppleShare PC does not include either of these options for printing IBM graphic
characters. We can only suggest that you use a program that prints bitmapped
graphics for its form design or use TOPS Netprint.