HP M436 TR Roller Reset: Clearing Replace TR. Roller and Replacing the Transfer Roller
When an HP LaserJet M436 series multifunction printer displays Prepare TR. Roller or Replace TR. Roller, its internal maintenance counter has reached the 100,000-page threshold assigned to the transfer roller assembly. Performing an HP M436 TR roller reset through the printer's hidden Tech Menu (Menu > # > 10043616 > Menu) zeros out the Transfer Roller page register and clears the warning from the control panel.
Because the transfer roller (HP Part Number W7U01-67901) does not contain an electronic chip or auto-reset fuse, the printer cannot detect when a new roller is installed. You must manually reset the counter after replacing the roller. Conversely, resetting the counter without inspecting or replacing a worn roller only silences the alert—it will not fix faded printouts, ba...