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Canon® A20
Remanufacturing Instructions
Reference Information:
OEM PN: F41-2302-120
OEM Yield: 3,000 @ 5.5%
Recommended Tools:
Tamperproof Torx
®
screw bit
Phillips head screwdriver
Pin puller
Flat head screwdriver
Approximate Remanufacturing Time:
Figure 1
20-25 min.
Instructions:
1. Remove the right side end cap (two tamperproof torx style screws -Fig. 1).
2. Remove the shutter actuating arm (Fig. 2).
3. Remove the color wheel (wiggling up, down and out- Fig. 2).
4. Remove the upper shutter spring (small one) and the hopper spring (Fig. 2).
5. Remove the two pins holding the waste bin in place, the one screw holding
the drum axle in, then the drum axle itself (you must hold the upper shutter-
Figure 2
bar flat to get the axle out), then remove the large pin holding the hopper in
place (Fig. 2).
6. Rotate the cartridge to the other end and remove the two pins holding the
waste bin in place and the one pin holding the hopper in place (Fig 3).
7. Remove the waste bin from the cartridge shell. Lift the waste bin by the right
side using a flat head screwdriver and jockey it out by lifting up and to the
right (Fig. 4).
Clean the waste bin.
a. Remove the cleaning blade (2 screws). Clean, inspect, and lubricate
the cleaning blade. Replace if necessary.
Figure 3
b. Dump the waste bin toner. Use a vacuum to remove any remaining
toner dust. Note: Be careful not to bend, crimp, tear or damage the
clear plastic strip collection/scavenger blade.
c. Install the cleaning blade.
8. Remove the OPC drum. Move the drum cover towards you to expose the
drum and slide the drum to the left and lift out (Fig. 5). Clean, inspect, and
lubricate the drum and store in a dark place. Replace if necessary, if replace-
ment is required, then perform the following to remove the OEM gears:
a. Grasp the large gear and wiggle it off of the shaft.
Figure 4
b. Drill a hole in the end of the metal plug (where the gear was) large
enough for a 1/4” metal dowel to fit through.
c. Slide the metal dowel into the hole and up until it contacts the edge of
the drum plug.
d. Rap the rod down onto a hard surface to pop the plug out.
e. Install the gear and plug onto the new drum.
9. Remove the toner hopper from the cartridge shell (Fig. 6).
a. Clean the toner hopper of all old toner.
1. Remove toner hopper plug and dump residual toner.
Figure 5
2. Remove residual toner on the magnetic roller, place a vacuum nozzle
over the toner hopper hole and rotate the roller assembly.
3. Gap the doctor blade to .010”. Loosen the doctor blade (2 screws),
insert the gapping strip between the magnetic roller and doctor blade,
and tighten the doctor blade (2 screws).
4. Recheck the gap to make sure nothing shifted during tightening.
Oasis
Imaging Products Inc. Technical Support (8
00
)
322
–
8992
ext 110
Canon
® A
-
20 Cartridge Remanufacturing Instructions
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