Automatic Troubleshooting of Print Quality Defects in Inkjet Printers
When Print Quality is not reaching expected levels, current troubleshooting processes proposed to users follow two approaches. Either display a static list of recovery actions depending on the PQ problem (Line Quality, Banding, etc.) or request user to launch a diagnostic print, analyze
it and then determine the corrective action which is required. In both cases, some user expertise is required.
This paper describes a new concept being implemented in the Large Forma Photo Printer HP Designjet Z6200 to automatically determine the status of a printing system in those areas
affecting Print Quality and to actively propose to user a customized list of recommended actions to recover it.
By analyzing the results of calibrations and internal checks (such as Printhead Alignment, Nozzle health detection, Color Calibration and Media Advance data) printer build in
algorithm identifies most probable cause of the problem and displays a precise list of corrective actions based on it.
The list of recovery actions is automatically displayed, so no need for interpretations/analysis by users. Actions are proposed in the optimal order. This is a dynamic
list, so it's being updated every time an internal calibration or check is being performed.
As a result, even for the non expert users, recovery actions success is highly improved. In case a service call is required, process allows to remotely diagnose printing system status increasing
on-site repair success rate.
Document Type: Research Article
Publication date: January 1, 2011
More about this publication?
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.
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