Konica Minolta bizhub C20/C20X bizhub C20 Printer/Copier/Scanner User Guide - Page 297

Symptom Image is blurred; background is lightly stained; there is insufficient gloss of the printed image. Cause Solution One or more of the Remove the toner cartridges and toner cartridges may check for damage. If it is damaged, be defective. replace it. One or more of the Remove the imaging units and check imaging units may be for damage. If it is damaged, replace it. defective. The original glass is Clean the original glass. For details, dirty. refer to "Cleaning the Machine" on page 234. The original cover pad is dirty. Clean the original cover pad. For details, refer to "Cleaning the Machine" on page 234. The print or One or more of the Remove the toner cartridges and color density toner cartridges may check for damage. If it is damaged, is uneven. be defective or low. replace it. One or more of the imaging units is defective. Remove the imaging units and check for damage. If it is damaged, replace it. The machine is not Place the machine on a flat, hard, level level. surface. Irregular print or mottled image appears. The media is moist from humidity. Adjust the humidity in the media storage area. Remove the moist media and replace it with new, dry media. Unsupported media (wrong size, thickness, type, etc.) is being used. Use KONICA MINOLTA-approved media. See "Specifications" on page 106. Also, refer to http://printer.konicaminolta.com for a complete list of currently approved media. One or more of the Remove the toner cartridges and toner cartridges may check for damage. If it is damaged, be defective. replace it. Solving Problems with Printing Quality 283