The following instructions are suitable for installing the Sharp UX-6CR/UX-91CR ink film rolls in a number of Sharp FO-P600 series of fax machine. However these instruction can be used as a rough guide for almost all sharp fax machines which use ink film rolls.
Step 1 - Remove the paper from the paper tray and open the operation panel – press (1) to release the lock on the panel.
Step 2 – Remove the used ink film and empty spool. Note: The messages and copies you have printed out can be read from used ink films. Consider data protection issues when disposing of used ink films.
Step 3 – Remove the two green gears from the spools. DO NOT DISCARD THE TWO GREEN GEARS!
Step 4 – Remove the new roll of imaging film from its packaging. Cut the band that holds the rolls together.
Step 5 – Insert the green gears. Make sure the gears fit into the slots in the ends of the rolls.
Step 6 - Insert the film into the print compartment.
Step 7 – Rotate the front gear as shown until the film is taut.
Step 8 – Close the operation panel (press down on both sides to make sure it clicks into place).

A number of fax machines use the Sharp UX-6CR/UX-91CR ink film rolls so the instructions above can be used as a guide to installing the following: