Queue & scheduling
What is print queue?
A print queue is the ordered list of 3D print jobs waiting to run across a group of printers, held as one shared backlog rather than as a separate list on each machine.
Also known as: 3D printing queue, print job queue, job queue
What a print queue actually does
A print queue turns “a pile of requests” into a decision the operation can defend. It answers three questions continuously:
- What is waiting? Every approved job sits in one list, visible to operators and to the people who submitted the work.
- What runs next? The queue has an explicit order, often chronological, so the next job is determined by a rule rather than by whoever asked most recently.
- Where does it run? Each job is matched to a printer that can physically run it, on material and machine capability.
Per-machine queues vs. a shared queue
Most printer hosts and firmware maintain a queue for one machine. With several machine-specific queues, an operator has to decide up front where every job belongs, then revisit that plan when a printer goes down, a job fails, or a spool runs out.
A shared queue defers the assignment until a printer is actually free. The practical effect is that idle machines pull work instead of waiting for a human to notice they are idle.
Why queue visibility matters more than queue speed
A print queue doesn’t make a printer faster. It does let requesters check their own job status, which cuts down on messages, emails, and visits to the operator’s desk.