The left and right side covers, and the rear cover have to come off for access to the fuser.
Fuser P/N is 40X4194. Proceed as follows:
1) Cartridge
2) Paper Tray
3) Paper Tray Rear End Concealment Cover
- Pinch inward at its sides and tip it up to remove it.
4) Lower Right Side Cover
- One M3x9mm washerhead screw in front behind the cartridge access door.
- Swing the cover open, pry it free of its lower hinge pin, lift to get it off its upper hinge pin.
5) Upper Right Side Cover
- One M3x9mm washerhead screw in front behind the cartridge access door.
- Two M3x8mm washerhead threading screws at the back.
- Tip the cover up forcefully to remove it.
6) Left Side Cover
- Two M3x9mm washerhead screws in front behind the cartridge access door.
- Three M3x8mm washerhead threading screws at the back.
- Lay the machine on its right side. (MIND the ADF -- it's likely to swing up.)
- Two claws in front.
- Pry/yank the lower end of the cover away and tip it up to remove it.
- Set the machine back upright.
7) Rear Cover
- Back door open.Fuser P/N is 40X4194. Proceed as follows:
- - -
1) Cartridge
2) Paper Tray
3) Paper Tray Rear End Concealment Cover
- Pinch inward at its sides and tip it up to remove it.
4) Lower Right Side Cover
- One M3x9mm washerhead screw in front behind the cartridge access door.
- Swing the cover open, pry it free of its lower hinge pin, lift to get it off its upper hinge pin.
5) Upper Right Side Cover
- One M3x9mm washerhead screw in front behind the cartridge access door.
- Two M3x8mm washerhead threading screws at the back.
- Tip the cover up forcefully to remove it.
6) Left Side Cover
- Two M3x9mm washerhead screws in front behind the cartridge access door.
- Three M3x8mm washerhead threading screws at the back.
- Lay the machine on its right side. (MIND the ADF -- it's likely to swing up.)
- Two claws in front.
- Pry/yank the lower end of the cover away and tip it up to remove it.
- Set the machine back upright.
7) Rear Cover
- Place something like a 1/2" thick catalogue on the scanner's platen glass to keep the ADF assembly propped up a bit.
- Two M3x9mm washerhead screws at either side of the back door.
- Two claws, either side, low down.
- NOTE: The claw at the right is difficult to release because of a sheet metal piece that's in the way. One M3x8mm washerhead screw to remove the sheet metal piece.
- Tip the cover away.
- RE-INSTALLATION NOTE: Make certain that the cover's upper edge is fully hooked in place before reseating the lower claws.
8) Delivery Assembly
- Two M3x6mm washerhead screws at left and right, high up.
- One M3x9mm washerhead screw at lower left.
- RE-INSTALLATION NOTE: This item comes out easily, but it can be difficult to get back in place. It must be presented straight and level to where it sits, else it will fight you.
9) Fuser
- Exit sensor cable connection at J10.
- Thermistor cable connection at J15.
- Pull the two cables inboard through their horizontal rectangular opening in the sheet metal.
- Two M3x9mm bright washerhead screws at sheet metal tabs, left and right.
- Pull the fuser out far enough to get at the AC spade terminals.
- NOTE: The spade terminals are a lock-on type that can be aggravating to disconnect. The female terminals have a lock-nub that must be pressed with the point of a mechanic's pick to disengage it from the male terminal. You may have to slide back the insulating sleeve to do this. The insulating sleeve on the black wire gets baked and embrittled; you may have to ruin it to get the terminal off.
- RE-INSTALLATION NOTE: The blue and black wires must lie fully within their channel at the left side end of the fuser; there's no clearance for them otherwise. Mind the sheet metal tab at the left side end; it's easy to get it in behind its mounting tab, instead of on the outside of it.
- Two M3x9mm washerhead screws at either side of the back door.
- Two claws, either side, low down.
- NOTE: The claw at the right is difficult to release because of a sheet metal piece that's in the way. One M3x8mm washerhead screw to remove the sheet metal piece.
- Tip the cover away.
- RE-INSTALLATION NOTE: Make certain that the cover's upper edge is fully hooked in place before reseating the lower claws.
8) Delivery Assembly
- Two M3x6mm washerhead screws at left and right, high up.
- One M3x9mm washerhead screw at lower left.
- RE-INSTALLATION NOTE: This item comes out easily, but it can be difficult to get back in place. It must be presented straight and level to where it sits, else it will fight you.
9) Fuser
- Exit sensor cable connection at J10.
- Thermistor cable connection at J15.
- Pull the two cables inboard through their horizontal rectangular opening in the sheet metal.
- Two M3x9mm bright washerhead screws at sheet metal tabs, left and right.
- Pull the fuser out far enough to get at the AC spade terminals.
- NOTE: The spade terminals are a lock-on type that can be aggravating to disconnect. The female terminals have a lock-nub that must be pressed with the point of a mechanic's pick to disengage it from the male terminal. You may have to slide back the insulating sleeve to do this. The insulating sleeve on the black wire gets baked and embrittled; you may have to ruin it to get the terminal off.
- RE-INSTALLATION NOTE: The blue and black wires must lie fully within their channel at the left side end of the fuser; there's no clearance for them otherwise. Mind the sheet metal tab at the left side end; it's easy to get it in behind its mounting tab, instead of on the outside of it.
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