Kyocera ECOSYS M5521cdw ECOSYS M5521cdn/M5521cdw Operation Guide - Page 330
System Menu/Counter, Adjust/Maint., Service Setting, Drum Refresh, DEV-CLN, Adjustment/Maintenance
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Troubleshooting > Troubleshooting Symptom Black or colored points appear in white background parts of the image. White or color dots appear on the printed images. Printed images are fuzzy. Checkpoints Corrective Actions Reference Page Is the original holder or the glass platen Clean the original holder or the glass dirty? platen. page 10-2 ― Select the [System Menu/Counter] key ― > [Adjust/Maint.] > [Service Setting] > [Drum Refresh], and then select [Yes]. ― Select the [System Menu/Counter] key ― > [Adjust/Maint.] > [Service Setting] > [MC] and increase the adjustment value. Increase the adjustment value 1 level at a time from the current value. If there is no improvement after the value is increased by 1 level, increase by 1 level again. If there is still no improvement, return the setting to the original value. ― Select the [System Menu/Counter] key ― > [Adjust/Maint.] > [Service Setting] > [MC] and decrease the adjustment value. Decrease the adjustment value 1 level at a time from the current value. If there is no improvement after the value is decreased by 1 level, decrease by 1 level again. If there is still no improvement, return the setting to the original value. ― Select the [System Menu/Counter] key ― > [Adjust/Maint.] > [Service Setting] > [DEV-CLN], and then select [Yes]. Is the machine being used in conditions Use in an environment that has suitable ― of very humid, or humidity or humidity. temperature rapidly changes? ― Select the [System Menu/Counter] key ― > [Adjust/Maint.] > [Service Setting] > [Drum Refresh], and then select [Yes]. Printed images are skewed. Are the originals placed correctly? Irregular horizontal lines appear in the image. Is the paper loaded correctly? ― When placing originals on the platen, align page 5-2 them with the original size indicator plates. When placing originals in the document processor, align the original width guides securely before placing the originals. page 5-3 Check the position of the paper width guides. page 3-2 Select the [System Menu/Counter] key ― > [Adjustment/Maintenance] > [Service Setting] > [MC] and increase the adjustment value. Increase the adjustment value 1 level at a time from the current value. If there is no improvement after the value is increased by 1 level, increase by 1 level again. If there is still no improvement, return the setting to the original value. 10-13