HP LaserJet 4, 4M transfer roller installation instructions

Installing the transfer roller.

With the printer facing toward you, open the top cover and remove the toner cartridge. Use a small flat-head screwdriver to pry up the left side of the transfer roller (yellow circle below). Pull the right side of the transfer roller out of the right slot and discard the used roller.

Be careful not to touch the black spongy rubber on the new roller. Skin oils can degrade print quality. Install the new roller in the reverse fashion (insert right metal tip of the roller in first, then press the left side (gear side) of the roller to lock it down.

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