Photo sensors and switches NOTE: The illustration in this section also shows the product motor and solenoid. The power switch is not shown. Figure 1-24 Photo sensors, motor, and solenoid PS702 PS701 Single-sheet-feed slot (HP LJP P1100w printer Series) M1 PS751 SL1 Table 1-7 Photo sensors, motor, and solenoid ENWW Pickup, feed, and delivery system 29 Item Description M1 Main motor SL1 Pickup solenoid PS701 Fuser delivery sensor PS702 Media-width sensor PS751 TOP sensor