HP DesignJet 650c User Manual download pdf (Page 86)

6-28 Removal and Replacement

ENCODER STRIP REMOVAL

To remove the encoder strip, refer to Figure 6-20 and perform the following steps:

1. Remove the window assembly.

2. Remove the left and right endcovers.

W A R N I N G

3. Using a 5.5 mm nut driver, remove the nut and washer that secure the encoder strip to

the right side encoder spring-bracket. See Figure 6-20.

4. Using a 5.5 mm nut driver, remove the nut and washer that secure the ground strap

and encoder strip to the service station.

5. Compress the encoder spring-bracket to release tension on the encoder strip.

6. Carefully release the encoder strip from the encoder spring-bracket.

7. Carefully pull the encoder strip through and out of the carriage assembly.

When installing the encoder strip, do the following:

1. Ensure that the encoder strip is oriented with the transparent area down. Thread the

strip through the apertures in the pen carriage assembly.

2. Using a 5.5 mm nut driver, install the ground strap, washer and nut that secure the

encoder strip to the service station. Make sure the encoder strip engages the two

small tabs adjacent to the threaded post on the service station.

3. Press the forward end of the encoder spring-bracket slightly inward and place the

encoder strip between the tabs of the encoder spring-bracket and over the threaded

post on the encoder spring-bracket.

4. Using a 5.5 mm nut driver, install the washer and nut that secure the encoder strip to

the encoder spring-bracket.

5. Slide the carriage back and forth the length of its travel to ensure free movement. The

encoder strip should not bind or rub on the carriage. To adjust the encoder strip, loos-

en the spring-bracket screws and move the bracket up or down as necessary. Center

the encoder strip in the pen carriage apertures and tighten the spring-bracket screws.

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HP DesignJet 650c User Manual Page 86