2.3.9 Plunger Drive Circuit
The CPU
to open and close the paper holding
controls this circuit to drive the plunger
lever for paper
shows the drive mechanism, Figure 2-71 shows the plunger drive
auto loading/ejection. Figure 2-70
circuit and Figure 2-72 and Table 2-27 show the on/off timing of the transistors during the plunger
drive and paper holding.
Refer to Section 2.3.8.1 for the paper auto loading/ejection sequence.
Paper Holding Roller
Holding
Lever
Fig. 2-70. Plunger Mechanism
+ 5
CN12
I 21
+ 3 5
CPU
+ 5
Plunger
( 7B)
D53
4 B
R24
1
5
8
9
0 3 6
.
Fig. 2-71. Plunger Drive Circuit
2-67