EPSON Stylus PHOTO 895/785EPX/915/825
Revision B
Operating Principles
Overview
32
2.1 Overview
This section describes the operating principles of the printer mechanism and electrical
circuit boards. The Stylus PHOTO 895/785EXP/915/825 has the following boards:
Main board:
C408 MAIN (For Stylus PHOTO 895/785EPX)
C498 MAIN (For Stylus PHOTO 915/825)
Power supply board:
C408 PSB/PSE
Monochrome panel board: C408 PNL
Printer panel board:
C408 PNL-B
2.1.1 Printer Mechanism
The printer mechanism for Stylus PHOTO 895/785EXP/915/825 is designed newly.
But, the basic component of the printer mechanism is same as previous product.
This printer consists of Print Head, Carriage Mechanism, Paper Feeding Mechanism,
Paper Loading Mechanism, Ink System (Pump Mechanism, Cap Mechanism, and
Carriage Lock Mechanism).
Like other EPSON ink jet printers, the Stylus PHOTO 895/785EXP/915/825 is
equipped with three stepping motors; one for ASF/Pump mechanism, one for Paper
feeding mechanism and one for carriage mechanism. ASF unit uses rear entry front
eject system. This ASF unit is also designed so that the single LD roller loads the paper
to the printer mechanism. For cap assembly, Stylus PHOTO 895/785EXP/915/825 uses
valveless mechanism.
Figure 2-1. Printer Mechanism Block Diagram
ASF Hopper Spring
CR Motor
Paper Feed Back Plate
Paper Separation Pad
Clutch Mechanism
CR Unit
PF Rolle
r
LD Roller
Pump Assembly
Paper Eject Roller
Star Wheel Roller
CR Timing Belt
PF Motor
Cap Assembly
HP Sensor
ASF
Motor
CR Lock Lever
PE Sensor
Содержание Stylus Photo785EPX
Страница 1: ...EPSON STYLUSPHOTO895 785EPX 915 825 Color Inkjet Printer SEIJ01001 SERVICE MANUAL ...
Страница 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 31: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 55: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 69: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 116: ...C H A P T E R 5 ADJUSTMENT ...
Страница 137: ...C H A P T E R 6 MAINTENANCE ...
Страница 146: ...C H A P T E R 7 APPENDIX ...
Страница 168: ...04 PM 790PT EPSON STYLUS PHOTO 785EPX 895 10304 Rev 02 No 5 08 09 10 07 For ESP ECC ETT 02 05 01 ...
Страница 175: ...EPSON STYLUS PHOTO 825 915 331 451 450 A C498 ELEC 001 Rev 01 No 03 200 300 330 A ...
Страница 179: ...Except ETT 714 ESPON STYLUS PHOTO 825 915 C498 MECH 004 Rev 01 No 07 706 710 736 704 708 718 705 712 702 701 703 X ...
Страница 180: ...752 751 753 719 126 757 129 754 746 No 08 Rev 02 EPSON STYLUS PHOTO 825 915 126 760 128 C498 MECH 0051 715 ...
Страница 184: ......
Страница 185: ......
Страница 186: ......
Страница 187: ......
Страница 188: ......
Страница 189: ......
Страница 190: ......
Страница 191: ......
Страница 192: ......