Canon imageRunner C5051 Getting Started page 107

If you are using the imageRUNNER ADVANCE C5051i/C5045i, or the PS Printer Kit with the imageRUNNER ADVANCE C5051/C5045/
C5035/C5035i/C5030/C5030i, take note of the following:
- If you print a file in PDF, XPS, or PS format by specifying its URL on the Remote UI, the print job will always be spooled, regardless
of the settings made under this option.
When you spool a print job on the machine's hard disk, the time required to release a computer outputting a print job is
shortened.
Communication Environment Setup
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