EPSON Stylus Pro 7400/7800/9400/9800
Revision B
Operating Principles
Print Mechanism Components
165
2.2.5 Ink Supply Mechanism
The Stylus Pro 7800/9800 have two Ink Holders (I/H) on left and right side of them
and each I/H carries 8 cartridges for 8 colors. A projection and unique marking are
placed on each color ink cartridge case to prevent wrong insertion so that the correct
cartridge is inserted in the right direction.
Explanation of valve mechanism mounted on the cartridge
The valve opens and closes when the ink cartridge lever is manually moved up or
down.
Figure 2-16. Valve Mechanism
The ink flow is as shown below.
Each color’s ink cartridge
→
Each color's I/H (Ink Holder)
→
Each color’s ink tube
→
Each color’s head dumper (carriage)
→
Print Head. The information in the NVRAM of
each color ink cartridge is sent through the CSIC Relay Board in each ink holder and
stored in memory on the CSIC Board.
The CSIC Board stores various pieces of information, such as ink colors and remaining
amount of ink. See
Figure 2-17. Ink Supply Mechanism
From the
Pressure Pump
To print head
Ink Holder
(manual opening/
closing)
Air Supply Vent
Ink cartridge
Ink Cartridge
Holder (x 4)
Print Head
Ink Tube (x 8)
To Each Color Head Damper
Damper (x8)
Pressure Pump
Ink Cartridge
Holder (x 4)
Ink Cartridge (x 8)
Содержание Stylus Pro 7400
Страница 1: ...EPSONStylusPro7400 7800 9400 9800 Large Format Color Inkjet Printer SERVICE MANUAL SEIJ05002 ...
Страница 10: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 147: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 170: ...C H A P T E R 3 TROUBLESHOOTING ...
Страница 207: ...C H A P T E R 4 DISASSEMBLY ASSEMBLY ...
Страница 292: ...C H A P T E R 5 ADJUSTMENT ...
Страница 373: ...C H A P T E R 6 MAINTENANCE ...
Страница 380: ...C H A P T E R 7 APPENDIX ...
Страница 385: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 1 of 4 Revison G ...
Страница 386: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 2 of 4 Revison F ...
Страница 387: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 3 of 4 Revison F ...
Страница 388: ...Model PX 7500 7500S 9500 9500S Board C594 Main Sheet 4 of 4 Revison E ...
Страница 389: ...Model PX 7500 7500S 9500 9500S Board C594 SUB Sheet 1 Revison C ...
Страница 390: ...Model PX 7500 7500S 9500 9500S Board C594 SUB B Sheet 1 Revison E ...
Страница 391: ...Model PX 7500 7500S 9500 9500S Board C594 SUB C Sheet 1 Revison D ...
Страница 392: ...Model PX 7500 7500S 9500 9500S Board C594 PNL Sheet 1 Revison D ...
Страница 395: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 02 R ev 01 C594 CAS E 021 152 150 152 152 152 151 ...
Страница 396: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 03 R ev 01 C594 E LE C 011 202 201 200 ...
Страница 397: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 04 R ev 01 C594 E LE C 021 203 204 ...
Страница 398: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 05 R ev 01 C594 POWE 011 300 301 302 ...
Страница 403: ...PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 10 R ev 01 C594 ME CH 051 700 701 X15 700 ...
Страница 407: ...900 901 906 901 905 903 903 904 PX 7500 7500S E PS ON S TYLUS PR O 7400 7800 No 14 R ev 01 C594 ME CH 091 902 ...
Страница 409: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 02 R ev 01 C595 CAS E 021 150 151 152 152 152 152 ...
Страница 410: ...R ev 01 C595 E LE C 011 200 201 202 PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 03 ...
Страница 411: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 04 R ev 01 C595 E LE C 021 204 203 ...
Страница 412: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 05 R ev 01 C595 POWE 011 300 302 301 ...
Страница 417: ...PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 10 R ev 01 C594 ME CH 051 701 X15 700 700 ...
Страница 421: ...900 901 906 901 905 903 903 904 PX 9500 9500S E PS ON S TYLUS PR O 9400 9800 No 14 R ev 01 C595 ME CH 091 902 ...