Figure 1-134 Fold and deliver the stack
Booklet delivery roller
Paper folding
roller
Booklet maker control of the inlet flappers
The two flappers mounted at the paper inlet configure the feed path according to paper size. The
flappers detect the trailing edge of the paper and prevent the trailing paper from butting against the
top of the existing stack. The following table shows the relationship between sensors and paper sizes.
Table 1-62 Sensors and paper sizes
Sensor A3/279 mm x 432 mm (11 x
17)
B4/LGL A4R/LTRR
No.1 paper sensor (PI18) Used Used Used
No.2 paper sensor (PI19) Not used Used Used
No.3 paper sensor (PI20) Not used Not used Used
Each flapper is driven by its own solenoid. The following table shows the relationship between
solenoids and paper sizes.
178 Chapter 1 Theory of operation ENWW
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