HP 2500 L Service Manual

EN 5 Removal and replacement149
Low-voltage PCA
1Remove the following covers and assemblies:
right- and left-side covers (see page 93)
 interface cover (see page 98)
 formatter cage (see page 99)
 optional tray 2 (see page 106)
 ECU pan (see page 144)
2 Unplug four connectors (callout 1) from the low-voltage PCA.
3 Remove one screw (callout 2) from the grounding wire.
4 Remove two screws (callout 3) from the fuser-connector holder and lift the holder off of the 
low-voltage PCA.
Figure 96. Removing...

150Removal and replacement C9706-90926 5
Remove six screws (callout 4) from the low-voltage PCA, and then lift the PCA off of the ECU 
pan.
Figure 97. Removing the low-voltage PCA (2 of 2)
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EN 5 Removal and replacement151
Paper-top sensor
1Remove the ECU pan (see page 118).
2 Remove one screw (callout 1).
3 Lift the paper-top sensor straight up to remove it from the printer.
4 Unwind the cable from the cable harness, and unplug the cable from the dc controller.
CAUTION Do not attempt to disconnect the paper-top sensor cable from the paper-top sensor. Doing so can 
damage the cable.
Figure 98. Removing the paper-top sensor
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152Removal and replacement C9706-90926
Fuser-wrap sensor
1Remove the ECU pan (see page 144).
2 Remove the fuser-wrap sensor roller (see figure 90 on page 143, callout 6).
3 Remove one screw (callout 1) from the fuser-wrap sensor.
4 Unwind the cable from the cable harness, and unplug the cable from the dc controller.
Figure 99. Removing the fuser wrap sensor
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EN 5 Removal and replacement153
250-sheet feeder pickup roller
1Remove all paper from the 250-sheet feeder and then remove the 250-sheet feeder from the 
printer.
2 Press down the lift plate and pull the tray out of the feeder.
3 Turn the feeder upside-down.
4 Use a flatblade screwdriver to disengage the white, plastic lever, and then rotate the lever 
towards the front of the feeder to release the roller.
5 Lift the pickup roller up to remove it.
Figure 100. Removing the 250-sheet feeder pickup roller 

154Removal and replacement C9706-90926
250-sheet feeder cover
1Use a flatblade screwdriver to release two tabs (callout 1).
2 Lift the cover up and away from the 250-sheet feeder.
Figure 101. Removing the 250-sheet feeder cover
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EN 5 Removal and replacement155
250-sheet feeder PCA
1Press the small tab to release one connector (callout 1).
2 Unplug the other three connectors (callout 2).
3 Remove one screw (callout 3) and lift the 250-sheet feeder PCA from the feeder.
Figure 102. Removing the 250-sheet feeder PCA
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2
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156Removal and replacement C9706-90926
500-sheet feeder pickup roller
1Lift the printer off of the 500-sheet feeder.
2 Remove all paper from the 500-sheet feeder.
3 Press down the lift plate and pull the tray out of the feeder.
4 Turn the feeder so that it rests on its back side.
5 Insert the flatblade screwdriver into the slot (callout 1) on the right roller-shaft cover and then 
pry the cover off of the feeder.
6 Insert the flatblade screwdriver into the slot (callout 2) on the left roller-shaft cover...

EN 5 Removal and replacement157
7
Use the flatblade screwdriver to disengage the white, plastic lever (callout 3), and then rotate 
the tab towards the front of the tray to release the roller.
8 Lift up the pickup roller to remove it.
Figure 104. Removing the 500-sheet feeder pickup roller (2 of 2)
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158Removal and replacement C9706-90926
500-sheet feeder cover
1Turn the 500-sheet feeder so that it rests on its feet.
2 Use the flatblade screwdriver to pry up the cover, clearing two tabs (callout 1).
3 Rotate the cover away from the feeder to remove it.
Figure 105. Removing the 500-sheet feeder cover
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