Fig. 4116 Door Switch Group Operation (A); Fig. 4-117 Door Switch Group Operation (B) - Canon NP-70 Service Manual

NP•70
4-101
a) Fig. 4-116 indicates the condition when both the upper and front left doors are open.
The upper left door does not press the arm of the upper door safety lever, and the front
left door does not operate the front safety lever.
Microswitches
(Upper Door)
(OFF)
Lever Arm
Upper Door Safety Lever
(Front Door)
Fig. 4-116 Door Switch Group Operation (AJ
Front Safety Lever
b) When the front door is closed, the front safety lever rotates and pulls the link wire toward
the right, as shown in the Fig. 4-117. This causes the trip lever to rotate but, as it is at
such a high position, it cannot actuate the microswitches.
(Upper Door)
(OFF)
Microswitches
Trip Lever
Fig. 4-117 Door Switch Group Operation (BJ
© CANON INC. Second Printing,lune, 1974