JPH0246749U - - Google Patents

Description

[Brief explanation of drawings]

The figures are all for explaining the embodiment of this invention. Figure 1 is a schematic diagram showing the structure of the A2 feed unit and the vicinity of the document scale of the copying machine, Figure 2 is a front view of the copying machine used, and Figure 3 is a front view of the copying machine with the A2 feed unit installed, Figure 4 is a perspective view showing the A2 feed unit and the vicinity of the A2 feed unit mounting part of the copier, and Figure 5 is the installation of the A2 feed unit set in the copier. 6 is a front view of the operation section of the copying machine, FIG. 7 is a block diagram of the control circuit of the copying machine, and FIG. 8 is a procedure for setting the copy mode when setting the A2 feed unit. 9 is a flowchart showing the procedure for determining the A2SADF mode flag, FIG. 10 is a flowchart showing the procedure for correcting registration data DRGT, and FIG. 11 is a registration correction during registration correction. This is a timing chart showing the timing within the counter. 1... Copy machine, 7... Contact glass, 11
...A2 feed unit, 43...Protrusion, 45
...Document scale, 47...Mounting hole, 49...Support leg, 57...Spindle, 59...Plate spring.

Claims (1)

[Scope of utility model registration request] In a copying machine configured such that a document feed unit that feeds a document is placed on a contact glass, there is provided a detection means for detecting whether or not the document feed unit is placed on the contact glass surface, and a detection result of the detection means. 1. A copying machine comprising a document scale retracting means for retracting at least the side of the document scale facing the document feed direction from a contact glass surface.