HP Designjet 3D Service Manual page 85

3. Use needle nose pliers to grasp the stainless steel shield of the tip.
4. Pull the tip shield toward you, then lift up to install the tip.
5. Push the tip toward the back of the printer once it is all the way up
against the heater block.
6. Verify the tip is fully inserted into the heater block and that the stainless
steel shield is aligned. See
7. Use 7/64 T-Handle Allen wrench to firmly tighten the heater block
clamp screws. See Figure 53.
NOTE: Make sure the tip remains all the way up against the heater
block as you tighten the screws.
Figure 52: Install the tips
Figure 53.
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