IBM Selectric I/O Manual Of Instruction page 94

Paper Switch (835 Printer)
The paper switch is a microswitch used to indicate the presence
of paper in the printer. The switch is mounted to the carriage
tie rod and is independent of cover removal (Fig. 189.1).
•
FIGURE 189.1 Paper Switch Assembly
The paper switch arm extends through the, cover and into the
slot of the paper switch roller (Fig. 189. 2). Insertion of
paper in the printer will cause the leading surface of the
paper switch arm to rotate to the rear. The rear tab of the
arm raises and allows the microswitch to operate. Re-transfer
of the microswitch takes place when there is insufficient
paper in the printer.
Paper Switch Arm
Tie Rod
• FIGURE 189.2 Paper Switch Assembly (Side View)
I
A switch lockout bracket can be used to inh ibit the operation
of the paper switch by holding the paper switch arm to the
rear (Fig. 189.3).
•
FIGURE 189.3 Switch LockolJt Bracket
74. 1