[lp -i Sales-101 -H hold]
This command places the print request Sales-101 on hold.
[lp -i Sales-101 -H resume]
This command resumes the print request Sales-101. The print request starts printing from page one unless you instruct it otherwise.
[lp -i Sales-101 -H resume -P 4-]
This command resumes the print request Sales-101, starting with page 4 of the print job. Note that the final hyphen (following the "4") is required.