Kyocera ECOSYS M4125idn M4125idn/M4132idn Operation Guide - Page 441
or back of the paper., Dirt on the top edge
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Troubleshooting > General Troubles Symptom Checkpoints There are black dots in the white parts of the image. Is the original holder or the glass platen dirty? Corrective Actions Reference Page Clean the original holder or the glass 10-2 platen. Printouts are fuzzy. The image is misaligned. Printouts have vertical lines. Is the device used in an environment with high humidity or where the temperature or humidity changes suddenly? ― Use in an environment that has suitable humidity. If the problem occurs frequently, turn on the Cassette Heater switch. Run [Drum Refresh]. ― 2-5 11-26 Are the originals placed correctly? Is the paper loaded correctly? ― Is the slit glass dirty? When placing originals on the platen, 5-3 align them with the original size indicator plates. When placing originals in the 5-5 document processor, align the original width guides securely before placing the originals. Check the position of the paper width 3-18 guides. Perform centerline adjustment. For information about this adjustment, contact your Service Representative. Clean the slit glass. 10-2 Dirt on the top edge Is the interior of the machine dirty? or back of the paper. Open the right cover. If the machine ― interior is dirty with toner, clean it using soft, dry, lint-free cloth. There is a regular repeating pattern of faintness, blurring, or whiteness in the image. Are the developing unit and drum unit installed correctly? ― ― ― Remove and correctly re-install the developing unit and drum unit. Open right cover and then close it again. Run [Drum Refresh]. If the problem occurs frequently, turn on the Cassette Heater switch. ― ― 11-26 2-5 11-7