Operating Principles
Mechanism Operating Principles
2.2.6 Paper Loading Mechanism
Stylus Photo RX700 is provided with two-way paper loading system, permitting paper
loading from the front and rear. The paper loading system consists of two paper
loading mechanisms and the ASF Drive Assy.
2.2.6.1 ASF Motor
2.2.6.2 Cover Tray Detector
Function:
Detection of Cover Tray opening
/
closing
(appropriate one of the following operations is performed)
Cover Tray is closed:
Warning is displayed on the LCD or PC monitor.
Cover Tray is open:
Printing operation is continued.
Detector specifications
Figure 2-19. Components of Paper Loading Mechanism
Item
Specifications
Type
2-phase 48-pole PM type stepping motor
Voltage
42 V (DC voltage) ± 5% (voltage applied to the driver)
Characteristics
Winding resistance
7.0
Ω
± 10%(25°C/phase)
Inductance
10.3mH ± 20%(1kHz, 1Vrms, 25°C)
Drive system
Bipolar driving
2-2 phase, 1-2 phase, W1-2 phase, 2W1-2 phase, 4W1-2 phase
constant-current driving
Driving resolution
1/126.6 inch (0.201 mm/pulse) (2-2 phase excitation)
(Resolution on the Rear Paper Feed Roller)
Item
Specifications
Detection method
Mechanical contact detector by MIK Electronic: MPU10980MNB0
Electrical
characteristics
Drive voltage
3.3 V ± 5%
Rated current
0.6 ~ 1 mA
Contact resistance
500m
Ω
Detected Condition
Switch Mode
Cover Tray Signal
Cover Tray is closed
Closed
L
Cover Tray is open
Open
H
ASF Pick Up Shaft Assy
Idle Roller Shaft Assy
ASF Motor
ASF Rear Assy
LD Roller Assy
Summary of Contents for Stylus Photo RX700 Series
Page 1: ...EPSON StylusPhotoRX700 Scanner Printer Copier SERVICE MANUAL ECOS SEMF05001 ...
Page 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 17: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 51: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 76: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 133: ...C H A P T E R 5 ADJUSTMENT ...
Page 146: ...C H A P T E R 6 MAINTENANCE ...
Page 163: ...C H A P T E R 7 APPENDIX ...
Page 175: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 1 3 Rev H ...
Page 176: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 2 3 Rev H ...
Page 177: ...Model PM A900 Stylus PHOTO RX700 Board C583Main Sheet 3 3 Rev H ...
Page 178: ...Model PM A900 Stylus PHOTO RX700 Board C583 PNL PNL B Sheet 1 1 Rev C ...
Page 179: ...Model PM A900 Stylus PHOTO RX700 Board C583PSB Sheet 1 1 Rev H ...
Page 180: ...Model PM A900 Stylus PHOTO RX700 Board C583PSE Sheet 1 1 Rev F ...