HP LaserJet P4015 Printer series - Manual (Page 135)

If you have not already done so, print a configuration page to find out how much memory is installed in
the product before adding more memory. See
Print the information and show-me-how pages
on page 104 .
1. After the configuration page has printed, turn the product off and disconnect the power cord.
2
1
2. Disconnect all interface cables.
3. Remove the right-side panel by sliding it towards the rear of the product to unlatch it.
ENWW Install memory, internal USB devices, and external print server cards 123