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Stylus C40UX/C40SX/C20UX/C20SX Revision A
Operating Principles Overview 30
2.1.4 Paper Feeding Mechanism
The paper feeding mechanism consists of Paper feed motor (PF motor), PF roller,
Paper eject roller, Star wheel roller, and so on. The paper feeding mechanism feeds
paper loaded from ASF using the PF roller and Paper Eject Roller & Star wheel roller.
For this mechanism, the PF motor mentioned in the right Table 2-2 is used on this
product.
The drive of the PF motor is transfer to the PF roller and the Paper Eject Roller as
following Figure 2-8. Following shows you how to transfer the PF motor drive to the
PF roller and the Paper Eject Roller.
PF motor drive transmission path
PF Motor Pinion Gear (CW)
→
Spur Gear 60 (PF roller)(CCW)
→
Spur Gear 60 (PF roller)(CCW)
Table 2-2.
PF Motor Specifications
Figure 2-8. Paper Feeding Mechanism
Paper loaded from ASF is advanced by the following roller.
Paper feed roller & Paper guide roller (assembled on the Top Frame)
→ Paper
eject roller & Star wheel roller (assembled on the Paper eject frame).
Item Description
Motor type 4-Phase/ 48-Pole PM Stepping motor
Drive voltage +42 V +/ - 5% (DRV IC voltage)
Coil Resistance 10 Ω +/ - 10% (per phase)
Inductance 10.5 mH +/ - 20%(1kH 1Vrms)
Driving method Bi-Polar drive
Driver IC XC901503FNR2
Spur Gear 35.2
Combination
Gear 16, 32
Spur Gear 25.6
Spur Gear 27. 2
Spur Gear 18. 28
Spur Gear 10. 8
PF roller
Change Lever