Table 7-43. Switches in Figure 7-33 SW101 Door open detection switch SW600 Tray 2 Paper size switch SW601 Tray 2 Paper size switch SW602 Tray 2 Paper size switch SW603 Tray 3 paper size switch (HP LaserJet 4000 T/TN and 4050 T/TN) SW604 Tray 3 paper size switch (HP LaserJet 4000 T/TN and 4050 T/TN) SW605 Tray 3 paper size switch (HP LaserJet 4000 T/TN and 4050 T/TN) SW801 Paper Feeder paper size switch SW802 Paper Feeder paper size switch SW803 Paper Feeder paper size switch Reference Diagrams 7-109