[cups.general] MacOS X client misbehaving

[Marc Lanctot]

Michael Sweet wrote:
> Marc Lanctot wrote:
> 
>>Hi guys,
>>
>>I've recently setup a printing system here at the department of 
>>Atmospheric and Oceanic Sciences.
>>
>>I have a SUSE Linux 9.2 server running CUPS 1.1.23.
>>
>>I have a department full of printing clients, with a good variety of 
>>operating systems, all of which must print via the print server 
>>(printing directly to the printers is disbled).
>>
>>My Linux clients are all using CUPS as well, all different versions from 
>>different Linux distros, but they're working like a charm. My SGI IRIX 
>>machines use lp and communicate through the CUPS lpd compatibility 
>>server. For various reasons particular to my setup I could not get 
>>Windows clients to work through Samba nor IPP, so they use LPR to 
>>connect as well.
>>
>>I have an HP Color Laserjet 4700 using the latest postscript PPD driver 
>>from LinuxPrinting.org, and a queue called say 'Eg-BW' which has the 
>>"Print Color as Gray" flag turned on so that black-and-white printing is 
>>forced when using this queue.
>>
>>Here's my problem: when I print from Adobe Reader 7.07 on a MacOS 10.3.9 
>>client connecting through LPR to my Linux print server, it overrides the 
>>forced black-and-white setting and prints in color anyway. We charge 
>>each of our users depending on the queue used, so it's important that 
>>the restrictions for each queue work on all clients. This only happens 
>>on the Mac -- I can print properly from all my other clients.
>>
>>Anybody know how to fix this problem?
> 
> 
> Print from Preview instead.  Adobe applications use a legacy print
> API (the old MacOS 9 LaserWriter print API) so they can produce their
> own PostScript code. As a result, you can end up with PostScript print
> data without the "print as grayscale" command in it... :(

Actually, Preview gives me the same problem. It's the only reason I 
tried Adobe :(

Can you tell me what the "print color as gray" option does? I was under 
the impression that the print job is modified server-side before it was 
sent to the printer.

Marc