Fusing Assembly - HP LaserJet II Serie Manual De Instrucciones

HP 33440/HP 33449 COMBINED SERVICE MANUAL
FUSING ASSEMBLY
Fusing Assembly
1.
2.
Open the Top Cover Assembly and remove the sflver-colored screws (4) that secure the Fusing
Assembly (see Figure 6-35). Be sure to note the location of the screw with the star washer.
Lifi the assembly straight up and out, using care to unseat the connectors on both ends
simultaneously.
Be sure to replace the screw with the star washer in its correct lomtion.
Exit Sensor PCA and Thermistor
The Thermistor is attached to the Exit Sensor PCA. Follow the instructions below to remove these
assemblies.
1.
2.
3.
4.
5.
6.
7.
Remove the Fusing Assembly (see above).
Remove the Exit Sensor PCA cover (1) (see Figure 6-35).
Remove the screw (1) securing the right side Fusing Assembly cover (see Figure 6-35), and slide
the cover up and out (the plastic cover will flex around the lever arm on the assembly).
Remove the electrid lug connector screws at the lefi and right ends of the assembly.
Remove the screws (2) securing the Fusing Assembly front cover to the assembly and, to avoid
damage to the Thermistor spring mount, mrefnlly move the cover slightly away from the
Fusing Assembly. Be careful not to lose the wavy washers.
Remove the screw (1) securing the Thermistor and fift it off its mount (see Figure 6-36).
Remove the screws (2) securing the Exit Sensor PCA, carefily remove it from its two
positioning tabs (see Figure 6-36), and remove it and the Thermistor from the Fusing Assembly.
Upon reins~ation, refer to Figure 6-36 for proper routing of the Thermistor cable.
Caution
When replacing the brass-colored screws, be carefil not to strip them; they should
o
be snug but not overly torqued.
Thermoprotector
1. Complete steps 1-6 of the removal
procedure for the Exit Sensor
PCA and Thermistor
described above.
2.
Remove the screws (2) that secure the Thermoprotector (see Figure 6-36) and lift it out.
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