9 Printers, namely, document printers, digital printers being document printers, inkjet printers being document printers, industrial inkjet printers in the nature of document printers with intermediate transfer member, photocopiers, facsimile machines and multifunctional devices comprising document printers, photocopiers, and facsimile machines and structural parts thereof for all of the foregoing; print heads for document printers, drum units for digital document printers, facsimile machines, scanners, copying machines and multifunction electronic devices for use in copying, printing, scanning, video capture and/or transmitting documents and images; copying machines, namely, photocopying machines; computer systems pertaining to printing systems comprising computer hardware, control devices in the nature of electronic printer controllers in the nature of desktop-, tablet-, handheld, and personal digital assistant-based remote and wireless interactive controllers for controlling document printers, computer hardware and recorded software for controlling document printers, all of the foregoing related to printing systems, printing processes, print heads, digital imaging, ink jet technologies; unfilled ink cartridges and unfilled ink tanks in the nature of ink cartridges for printers and photocopiers; control devices, namely, mechanical and electronic printer controllers in the nature of electronic controllers for printers, desktop-, tablet-, handheld- and personal digital assistant-based remote and wireless interactive controllers for wireless controllers for printers, screens and displays in the nature of computer screens, cathode ray tube displays, light emitting diode screens, organic light emitting diode screens, liquid crystal displays, and plasma screens and end-user interactive touch screen; online, offline and wireless computer-assisted operating, controlling and managing systems comprising recorded computer operating programs for controlling document printers and for preparing documents for printers for the printing industry, displays in the nature of computer screens, cathode ray tube displays, light emitting diode screens, organic light emitting diode screens, liquid crystal displays, and plasma screens and end-user interface systems being electronic display interfaces for use with printing machines; recorded computer programs, namely, recorded operating software for operating a document printer, technical support software in the nature of automatic troubleshooting software for printers, software for managing workflow for managing printer jobs and digital front end, image processing software, color management software for managing the color of printer documents; recorded diagnostic and troubleshooting software and applications for troubleshooting problems with document printers; electric converters, in particular apparatus for converting renewable and/or environmentally friendly energy source, namely, thermal energy, to electrical energy; apparatus for stocking or accumulating electrical energy, namely, batteries, electric accumulators including in particular for household, industrial, commercial, and transportation uses, including batteries and accumulators for vehicles for land, air, water, rail transportation, and batteries and accumulators portable devices, namely, accumulators and batteries and electrical chargers thereof; recorded computer programs for use in equipment generating or stocking electrical energy, namely, for controlling and monitoring the status of electrical generators and batteries; downloadable and recorded electronic informational publications in the nature of brochures, catalogues, newsletters, technical data sheets being brochures, product specifications being brochures, training documents, support documents, service documents, business documents, financial documents and users manuals in the field of the printing industry, image/document reproduction and graphic arts industry including topics in the printing industry relating to materials, compositions and consumables, including empty, filled, disposable, repaired, refurbished and refilled goods, used in the printing industry, image and document reproduction, graphic arts industry, instruction guides for energy generating equipment, electric converters, accumulators and chargers for printing equipment; computer systems comprising computer hardware and recorded computer software for controlling printers pertaining to printing systems, control devices in the nature of electronic printer controllers in the nature of desktop-, tablet-, handheld, and personal digital assistant-based remote and wireless interactive controllers, computer hardware and recorded software for controlling computer printers and viewing the status of printers, in-progress print jobs, the status of ink levels and print heads, and preparing images for printing; recorded software for tracking the maintenance of printing machines; registration and controller systems, namely, electronic control systems for printing presses and printing systems in the nature of digital front end systems, quality management systems, print control systems, printing blanket control systems, inkjet control systems, and inspection systems in the nature of inspection devices for the physical inspection of printed documents for quality control and scanning systems in the nature of scanners and cameras for scanning