Technical data

printers to facilitate cabling but run the spooler on a server host elsewhere
in your building or site.
When you use more than one host to run print system components, you need
to distribute the names of the objects you create to all hosts that use them.
2.1.3 Server Restrictions
The following restrictions apply to how you configure logical printers,
physical printers, and queues on your print system spoolers and supervisors:
• All logical printers associated with a queue must reside on the same
spooler as the queue.
• All physical printers on a supervisor can be associated only with queues
and logical printers on one spooler.
2.1.3.1 Logical-to-Physical Printer Associations
When you configure printers, you can choose a close association or a loose
association between logical printers and physical printers.
2.1.3.2 Close Association
For some users, the concepts of and differences between logical printers and
physical printers might be difficult to understand. Or, there might not be a
need to make the distinction between logical printers and physical printers.
In these cases, create a logical printer, a physical printer, and a printer’s
queue as tightly-bound triplets that work together as one printer. Thus,
every output device is represented by exactly one of each of these objects.
2.1.3.3 Loose Association (Fan-in and Fan-Out Queues)
If you need flexibility in your printing environment that allows changing
printer configurations with minimal disruption to users, then you might
want to take advantage of the logical and physical printer abstractions.
For example, you might have several similar output devices in a printer
room, all with the same capabilities. Associating the physical printers with
one queue implements a load-sharing configuration, where users submit
jobs to one logical printer, and the system picks the next available device
for printing. In such a configuration, sometimes called a fan-out queue,
individual printers can be serviced, extra printers can be configured, or
surplus printers can be removed, without affecting the user.
A fan-in queue configuration is several logical printers funnelling jobs to
one queue. You might choose to set up logical printers with specific default
job and document options, using initial-value objects. Each should have
unique job processing capabilities. For example, you could set up a logical
2–2 Planning an Installation