Wednesday, December 14, 2011

Lexmark T65X -- Fuser Teardown/Overhaul Checklist

This document is a condensation of a procedure. It can serve as a checklist once one is familiar with all the information in the procedure.

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Proceed as follows:

1) Lower Rear Cover

2) Lamp

3) Thermistor Cable

4) Top Cover

5) Stripper Bar Torsion Springs

6) Exit Roller

7) Idler Gear

8) Pressure Roller Springs
- Unhook them at the lower front of the frame.

9) Ring Gear

10) Left Side Bearing

11) Hot Roller w/Bushings

12) Right Side Bearing

13) Input Ramp

14) Stripper Bar

15) Pressure Roller w/Bearings

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At this point, you can proceed in either of two ways.

a) Carry on with the full procedure for a thorough overhaul.

b) Abbreviate the procedure for a 'good-enough' overhaul.
- Apply a couple of drops of light mineral oil to the pressure roller arms' pivot points.
- Examine the sensor toggles.
- Reassemble w/new parts A/R.

- - -

16) Output Ramp

17) Pressure Roller Springs

18) Right Side Pressure Roller Arm

19) Left Side Pressure Roller Arm and Link

20) PCA

21) Solenoid

22) Main Connector

23) Right Side Ground Continuity Tab Contact

24) Static Brush and Left Side Ground Continuity Tab Contact

25) Right Side Wiring Guide

26) Frame Latches w/Springs -- Left and Right Side

26) Reassemble w/new parts A/R

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Frequently Replaced Parts

Assembly, 115V Fuser, T65X Type 1: P/N 40X4418

Assembly, 115V Fuser, T65X Type 2: P/N 40X5854

Bearing, Hot Roll [6003Z: 17mm bore x 35mm O.D. x 10mm thick]: P/N 99A0143

Bearing, Pressure Roller [R3Z: 0.1875" bore x 0.500" O.D. x 0.196" thick]: P/N 99A1621

Pressure Roller, 28mm dia: P/N LPR-T650

Coated (Hot) Roller, 30mm dia: P/N UFR-T650

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