HP (Hewlett-Packard) 3550 All in One Printer User Manual


 
Color misregistration sensor (PS12) removal
NOTE
When the color misregistration sensor is replaced, in addition to replacing the sensor, a
configuration procedure must be performed. For information on this configuration, refer to
Chapter 8,
Replacement parts configuration.
1. Refer to the pick-up/feed unit removal procedure, steps 1 through 5, and release the
right and left slide rods from the front door. See
Pick-up/feed assembly removal.
2. Push the swing guides in as far as they will go.
3. Refer to the pick-up/feed unit removal procedure, steps 22 through 25, and remove the
connector cover and the right and left swing guide rails. See
Pick-up/feed assembly
removal.
4. Disconnect one connector (1).
5. Remove one screw (2), the shaft holder (3), and the spring under the shaft holder
located directly under the screw (2).
6. Unhook two claws (4) and lift the color misregistration sensor (5) up to remove it.
Figure 6-83.
Color misregistration sensor removal
Waste toner level sensor (PS13) removal
1. Remove the front left cover. See Left front cover removal.
2. Remove one connector (1) from the DC controller PCB and unroute the cable.
260 Chapter 6 Removal and replacement ENWW