Epson P5000,4900,4910 service manual Page 101-150

SC-P5000 Series/Epson Stylus Pro 4900/4910 Revision G TROUBLE SHOOTING Remedies for Print Quality Troubles 103 SE Group Confidential (Related Staff Only) Printed side is smeared with ink Printed side is smudged The print setting is not proper. Check the paper type setting screen. Check if the paper type setting is proper. Check if the low print quality mode is selected. 1. Correct the paper type setting. 2. Select a higher print quality mode. The media is not proper. Check if the paper is not wrinkled, bent, rippled, or warped. *Warps under 2.5 mm is within the specification and will not be a problem. Check if the paper is not too thick and is reaching the head. Check if the paper is not too thin that wrinkles are formed when feeding it. Check if the end of paper is not distorted by High Duty printing. Replace the paper with paper in a fine state. Adjust the PG setting depending on the paper thickness. Carry out PG Height Adjustment (See P.361) . Make the front/back margin wider to prevent paper distortion. Print in lower print quality. The ink density is not proper. Check if the paper is not fed before the ink is dry. Check if the ink of low absorbency or slow-drying media is used. Check if the ink density level is not set too high. Check if the paper touches the Printhead. Check if the PG is not too narrow for the paper thickness. Set a longer “Drying Time” from the panel. Set a lower ink density from “Paper Setup” in the printer driver, or from the configuration screen if using RIP. The PG height is not proper. Adjust the PG from Paper Setup depending on the paper thickness. The PG height is not proper. Check the PG height (See P.361) . Carry out “PG Height Check” if it is out of the specified range. (See P.361) Ink is attached on the star wheels. Check if the ink is attached on the star wheels. Also check the items and remedies in “The ink density is not proper” above. Check if there is some foreign material on the Printhead. (See P.456) Print some blank pages with plain paper to clean the printer. There is some foreign material on the Printhead. The ink is attached on the Driven Roller. Print some blank pages with plain paper to clean the printer. Print some blank pages with plain paper to clean the printer. If the paper is rippled, lower the suction level. If the printer does not recover from the error, carry out Suction Check & Adjustment (See P.423) . Clean the Antistatic Cloth using a cleaning sheet (See P.458) . Replace it if not improved after cleaned, or it is dirty or damaged (ripped or becomes fluffy) (See P.254) . Check if the Driven Roller is clean. Adjustment failure of the Suction Fan Check the suction setting of the fan from the panel. Check if the paper is not rippled. Dust and such accumulate on the Antistatic Cloth (SC-P5000 Series only) Check if any dust accumulates on the Antistatic Cloth. Table 2-4. Print Quality Troubles Symptom Cause Check Item Remedy
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Epson SC-P5000 Series Service Repair Manual Page 101-150
Epson Stylus Photo Pro4900 Service Repair Manual Page 101-150
Epson Stylus Photo Pro4910 Service Repair Manual Page 101-150

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