HP MFP M528f Monochrome Laser Printer - Manual (Page 187)

1. If most of the sheet of paper is visible in the tray,
slowly pull the jammed paper out of the printer.
Make sure that the entire sheet is removed. If it
tears, continue with the following steps to find the
remnants.
If most of the sheet of paper has been pulled
inside the printer, continue with the following
steps.
2. Press the top-cover-release button on the left side
of the printer.
3. Open the front door.
4. Remove the toner cartridge.
ENWW Clear paper jams 173