Lexmark 018C1429E no 29 colour Return Program Print Cartridge for Z845. Page yield 150. Install a genuine Lexmark 29 Inkjet Cartridge (18C1429E) in your Lexmark inkjet printer for high quality, reliable printing with vivid colour. This cartridge is part of the Lexmark Return Program for economical and environmentally friendly printing. Simply pop it back in the packaging when done and return it for quick and free recycling. This economical cartridge is packed with enough ink to print up to 150 pages.