5. Disconnect the ink tubes (6 in Fig. 10.3) from the printhead and ink filter by turning the couplings
anti-clockwise.
6. Connect the new ink filter.
7. Take the new printhead out of the anti-static bag.
8. Remove the nozzle protection cover. Do not touch the nozzle plate!
9. Place the printhead in position, place the printhead screws but do not tighten them.
10. Press the printhead firmly against the front plate gasket and fasten the printhead screws.
11. Connect the ink tube to the printhead. Twist the filter tube before connecting the ink tube, so there
is no tension on the connection and tubing after the new ink tube is connected.
12. Close the printhead housing. Refer to subsection 10.4.3.
13. Prime excessive air from the system.
14. The printer is now ready to print.
10.4.9 Replacing the piezo printhead [X72]
CAUTION:
Read Printhead safety notes before handling the printhead, see subsection 10.4.1. Always ensure
anti-static precautions are observed when handling a printhead or it might be damaged.
It is advice also to replace the ink filter when replacing the printhead.
1. Open the printhead housing. Refer to subsection 10.4.2 and 10.4.6.
2. Disconnect the printhead cable (3) from the PIB.
3. Unscrew the front plate screws (10) and remove the front plate.
4. Unscrew the ink tube from the printhead. Be aware, ink will come out!
5. Unscrew the printhead screws (9)
6. The printhead is now completely loose. Take it out of the housing and pull out the printhead cable.
Store the printhead in a safe location.
7. Take the new printhead and gently push the printhead cable in the printhead connector.
8. Put the new printhead back in the printhead housing, making sure the printhead cable is going in
first.
9. Screw back the four printhead screws. However, leave left bottom and top right untightened and
loosely tighten the others.
10. Take the front plate and ever so carefully fit it over the printhead and see if it aligns properly with
the printhead housing. Due to the two loosely tightened printhead screws, the head can be gently
pushed in the proper position. Be carful!!
11. When the printhead is in position, take off the front plate and tighten the printhead screws.
12. Place the front plate and front plate screws and tighten them
13. Reconnect the ink tube to the printhead.
14. Prime excessive air from the system.
15. Close the printhead housing. Refer to subsection 10.4.3. and 10.4.6
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