Konica Minolta PKG-675i PKG-675i User Manual - Page 110

OPERATIONAL MANUAL Issue Description / Solution Image Vertical White Lines are classified into three (3) categories: • Thin - 1 mm wide or less; • Medium - 1 mm to 10 mm wide; • Thick - greater than 10 mm. There are various causes; dehydration, external contamination paper fibers or dust on some nozzles, ink aerosol that has collected on nozzle area, air bubbles, electrical failure, or permanently dead jets. Solutions • Thick ~20mm - suspected cause is electrical: Print Quality (PQ) Defects Vertical White Lines (General) • Remove and reseat the printhead; • Replace printhead if problem persists; • Medium - suspected cause is dehydration: • Dehydration is often resolved by letting the system return to the "Capped" state 20 seconds after completing a print job. During the next print job, the system should clear the printheads of any dehydration before exiting "Cap"; • Recovery Level 0 (Flush) if returning to Cap is not effective • Thin - suspected cause is external contamination or air bubbles: • External contamination such as paper fibers or dust a) Return to Cap will remove contamination due to Wipe b) Wet Wipe (Recovery Level 1) - Thick: If ~20mm wide - probably electrical; - Medium: Probably dehydration; - Thin: External Contamination. DOCUMENT I 18.40V02 - Update: 04.09.2019 Page 110