ConfidentialE June 13, 2011 Made change in "5.3.4 Touch Panel Adjustment (Artisan 810/835/837/PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD only) (p.236) ". Chapter 6 Made change for checkpoint in "6.1 Overview (p.242) ". Made change in "6.1.3 Lubrication (p.243) ". Chapter 7 Made change for checkpoint in "7.1 Connector Summary (p.250) ". Chapter 8 Made change for checkpoint and description in "8.1 Overview (p.254) ". Made change in "8.2 Operation principles (p.255) ". Made change for checkpoint in "8.3.2.1 ADF Unit (p.264) ". Made change for checkpoint and description in "8.3.2.4 CR Scale (p.270) ". Made change for checkpoint and description in "8.3.2.5 Ink System (p.272) ". Made change for checkpoint in "8.5.2 Service Maintenance (p.281) ". Chapter 9 Information for Epson Artisan 837/730/Epson Stylus Photo PX830FWD/PX730WD/TX730WD has been added.F September 12 , 2011 Revised contents Chapter 4 Added Front Paper Guide Waste Ink Pad in Flow chart Description for "4.2.5.13 Front Paper Guide Waste Ink Pad (p.159) " has been added. Chapter 8 Added Front Paper Guide Waste Ink Pad in Flow chart Chapter 9 Added Front Paper Guide Waste Ink Pad in Flow chartG October 12,2011 Revised contents Chapter 4 Description for "4.2.5.8.1 Reassemble of Lower ASF paper guide assy (p.151) "has been added.Revision Date of Issue Description