Lexmark T652 -- Autocompensator Removal

The autocompensator in the T65X machines is similar to that in the earlier Ts, but there's been some rearrangement of items.

On the T650s, autocompensator removal and replacement are straightforward. On the T652s, there's a complication. There's an e-clip at the left side end of the pivot rod that's easy enough to remove, but it's near impossible to get back on because it's tucked away in a recess. This procedure clears away the item that interferes with access to the e-clip.

Proceed as follows:

1) Cartridge

2) Tray 1

3) Redrive Cap

4) Back Door
- Disengage the support strap from its 'inverted T' slot and pull the door off its hinge pins.

5) Lower Rear Cover w/Fuser Access Door
- Two M3x10mm washerhead threading screws.
- Open the lower door.
- Two M3x6mm black washerhead screws.
- Open the fuser access door -- two claws.
- Tip the cover rearward and lift it off of two hooks at the bottom.

6) Connection Access Cover
- Open it fully and its hinges can be popped free rearward.

7) Left Side Cover
- Two M3x8mm black washerhead screws in the handgrip wells.
- Two M3x10mm washerhead screws in deep wells in the side of the toner cartridge cavity.
- There are six claws, and one of them can be quite tenacious. First, pry at the angled upper front lip to free the upper two claws. The troublesome claw is located roughly 3" from the front and 3" from the bottom. You may have to reach in with a long narrow-bladed screwdriver to pry it loose.
- With all the claws freed, the cover comes away easily from its hinges.

8) Set the machine on its back.

9) PTO Shaft
- Pull it out.

10) Left Side Chassis Stand Block
- Two M5x12mm pan head screws. (The nut plates for these screws are unsecured once the screws are removed. 'Best to remove the nut plates as well.)
- Autoconnect connector. Two claws. Push it upward.
- Autosize sensing module cover. One claw at the inner rear.
- Autosize sensing cable -- disconnect it.

11) Retraction Spring
- Unhook it and remove it.

12) Motor End Cap
- Cut the ty-wrap and slip the cap off.

13) Three Cable Connections
- NOTE that the blue cable goes above; the white cable goes below.
- Unplug them. The motor's cable can't be entirely freed until the unit is dismounted.

14) One M3x8mm pan head screw w/captive washers
- At the rear of the autocompensator's frame -- remove it.

15) E-Clips
- Remove both from the autocompensator pivot rod.
- AT REASSEMBLY, install the left side clip first, then the right side clip.

16) Slide the unit leftward to free the pivot rod's right side end. The unit can come away. Free the motor's cable entirely.

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