For years, wide format printer manufacturers have capitalized on the usefulness of on-board densitometers in closed loop process control. Image quality and repeatability have benefited from this on-going monitoring and adjustment process. Based on this success, many manufacturers are considering expanding the on-board and on-line options to include a variety of diagnostic capabilities for use during printer set-up, periodic performance verification, and troubleshooting during field service visits.This paper will cover the use of several common imaging and instrumental modalities in on-board and online diagnostics for wide format printers.
Yair Kipman, Kate Johnson, "On-line Wide Format Printer Diagnostics" in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP18), 2002, pp 568 - 570, https://doi.org/10.2352/ISSN.2169-4451.2002.18.1.art00033_2