HP LaserJet Enterprise M552 - Trays 3-5 motor control; Trays 3-5 electrical components

Figure 1-40 Tray 3-5 driver PCA
+24V
+3.3V
DC controller
Paper feeder controller
Motor
Photointerruptor
Clutch
Switch
550-sheet paper feeder
Trays 3-5 motor control
The 550-sheet paper feeder has one motor for lifting the tray and feeding paper.
Table 1-23 Trays 3-5 motor control
Component Drives Failure
detection
M20 Feed motor (550-sheet paper
feeder)
Tray pickup roller (B5L24-67904)
Tray feed roller (B5L24-67904)
Paper feed assembly (RM2-5145-000CN)
Lifter drive assembly (RM2-5149-000CN)
No
Trays 3-5 electrical components
The paper feeder contains several motors, solenoids, sensors, and switches, as described in the following
table.
Table
1-24 Tray 3-5 electrical components
Component type Abbreviation Component name Replacement part number
Motor M20 Feed motor (550-sheet paper feeder) Paper feed assembly
(RM2-5145-000CN)
Clutch CL20 Tray pick up clutch (550-sheet paper
feeder)
Lifter drive assembly
(RM2-5149-000CN)
Switches SW20 Right door switch (550-sheet paper
feeder)
Right door (RM2-5146-000CN)
SW21 Tray detection switch (550-sheet paper
feeder)
Switch button (WC2-5806-000CN)
Sensors SR20 Tray media-out sensor (550-sheet
paper feeder)
Paper pick up assembly
(RM2-5154-000CN)
66 Chapter 1 Theory of operation ENWW