Epson 820 manuals
Computer Equipment > All in One Printer
When we buy new device such as Epson 820 we often through away most of the documentation but the warranty.
Very often issues with Epson 820 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in All in One Printer Epson 820 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for All in One Printer on our side using links below.
165 pages 13.36 Mb
1 EPSON Stylus PHOTO 810/820/8302 Notice3 PRECAUTIONS4 About This Manual5 Revision Status6 PRODUCT DESCRIPTIONOperating Principles Troubleshooting Disassembly and Assembly 7 AdjustmentMaintenance Appendix 8 PRODUCT DESCRIPTION29 OPERATING PRINCIPLES61 TROUBLESHOOTING89 DISASSEMBLY AND ASSEMBLY90 4.1 Overview91 4.1.3Screws92 4.1.4 Work Completion CheckTable 4-3.Work Completion Check 93 4.2Difference on Printer Machanism between SP810/820 and SP820/830If other I/C is installed on Stylus Photo 810/820/830, the printer detects ink end error 94 4.2.1 Caution in reassembling to ink leakage problem95 4.3 Disassembly96 4.3.1 Upper housing removalFigure 4-4.Edge guide setting position for the Lower housing removal Make sure that the Edge guide is in the cutout portion of the Upper housing Figure 4-5.Hooks position of the Upper housing Do not damage hooks by the precision screwdriver (-)in removing the Upper housing Do not tilt the printer too much when the Upper housing is 97 Figure 4-6.Protrusion position of the Upper housingDo not damage the protrusion by the precision screwdriver (-) When assembling the Upper housing to the printer 98 4.3.2 Printhead removal100 4.3.3 CR unit removalFigure 4-11.CR timing belt removal Figure 4-12.Compression spring 19.6 removal Figure 4-13.CR guide shaft rod spring release In this step, you cannot remove the left CR guide shaft rod spring frame. So, when sliding the CR guide shaft in the next step remove the left CR guide shaft rod spring carefully 101 Figure 4-14.CR unit removalRemove the CR guide shaft while holding the CR unit by hand. If Paper guide front, which causes the dot missing problem Unlike the previous printer (Stylus COLOR 680), the oil pad is not built in the CR unit If you remove the Printhead from the CR unit, make sure that the Head grounding plate is set in the CR unit. (Refer to Figure 4-9) If the CR unit is disassembled or replaced with new one, make sure that the CR timing belt is set in the assembling groove correctly as the following figure Figure 4-15.CR timing belt setting position 102 Figure 4-16.Grounding plate assembling positionFigure 4-17.CR guide shaft rod spring setting procedure 103 4.3.4 CR motor removal2)1st dot position adjustment When assembling the CR motor to the Main frame Figure 4-18.CR motor assembling Tightening torque for the CR motor hexagon nut is as follows • HEXAGON NUT, NORMAL, M3 (4 pcs) : 6 ± 1 kgf.cm Make sure that the CR motor is correctly fixed 104 4.3.5 ASF unit removalFigure 4-19.Screw position for removing the ASF unit Figure 4-20.Compression spring 2.50 and the Hopper removal Figure 4-21.Torsion spring 29.1 setting position 105 Figure 4-23.ASF fixing screws fastening orderFigure 4-22.Hopper pad and LD pad setting position 106 4.3.6 PSB/PSE unit removalFigure 4-24.PSB/PSE unit removal Figure 4-25.Upper power supply board shield plate removal Figure 4-26.Power supply board removal 107 Make sure to install the Power supply board correctlyFigure 4-27.Tightening procedure for the PSB/PSE board •C.B.(O). SCREW, 4x5, F/Zg (1 pcs) : 11 ± 1 kgf.cm •C.B.S. SCREW, 3x6, F/Zn (2 pcs) : 6 ± 1 kgf.cm •C.B.S-TITESCREW, 3x6, F/Zn (1 pcs) : 6 ± 1 kgf.cm Make sure to set the Power supply radiator in the correct position (* The product with 110V type AC cable does not have the earth line) Figure 4-28.Power supply connector cable setting position 108 Figure 4-29.Power supply board shield plate setting position109 4.3.7 Holder shaft unit removalFigure 4-30.Head FFC removal Figure 4-31.LD roller shaft holder removal Figure 4-32.LD roller with Clutch mechanism removal 110 Figure 4-33.HP/PE sensor removalWhen assembling the HP/PE detection lever to the LD roller shaft holder Figure 4-34.Torsion spring 0.22 for each detection lever Make sure that the HP/PE detection lever moves smoothly When assembling the HP/PE sensor to the LD roller shaft holder Figure 4-35.HP/PE sensor cable placing position 111 Figure 4-36.Clutch assemblingFigure 4-37.Spur Gear 35.2 and Combination gear Figure 4-38.LD roller shaft holder assembling procedure (1) 112 Figure 4-39.LD roller shaft holder assemblingprocedure (2) 113 4.3.8 Circuit board removal116 4.3.9 Waste drain ink pad (under the ASF unit) removalFigure 4-45.Waste drain ink pad setting position Figure 4-46.Ink tube setting position 117 4.3.10 Lower housing removal(home position side) Figure 4-48.Paper eject roller sliding procedure Do not damage the Spur gear 60 when sliding the Paper eject roller to the left side Figure 4-47.Front frame removal Do not damage the Spur gear 60 when sliding the Front frame to C A U T IO N the left side Return the CR unit to the CR home position before sliding the Front frame to the left side 118 Figure 4-49.Printer mechanism removal (1)Figure 4-50.Cap unit removal Figure 4-51.Cap unit setting position Do not touch the sealing rubber portion and the cleaner head of the Cap unit when inserting the Cap unit to the Main frame 119 Figure 4-52.Printer mechanism removal (2)Figure 4-53.Printer mechanism removal When lifting the Printer mechanism from the Lower housing, be When assembling the Printer mechanism to the Lower housing Figure 4-54.Reinforcing plate setting position Figure 4-55.Printer mechanism assembling(1) 120 Figure 4-56.Printer mechanism assembling(2)Figure 4-58.Bush position of the Paper eject roller Figure 4-57.Ink tube setting position 122 4.3.12Ink system unit removal(Cap unit, Pump unit & Waste drain ink pad)Figure 4-59.Cap unit removal Figure 4-60.Ink system unit removal position Figure 4-61.Ink system removal procedure 123 When removing the Ink system unit, be careful so that the gearsdo not come off from each shaft of the Ink system frame When getting out of the ink tube, check the marking on the ink tube in advance Figure 4-62.Marking position on the Ink tube When assembling as the Cap unit Do not touch the sealing rubber portion and the Cleaner head of the Cap unit Be careful not to crash or leave any stress on the Ink tube Make sure to set the marking position of the ink tube as shown figure below Figure 4-63.Pump tube setting position 124 Figure 4-64.Gear engagement on the Ink system frameFigure 4-65.Compression spring 1.764 setting position 125 4.3.13 PF roller unit removalFigure 4-66.Paper guide removal procedure (1) When removing the Paper guide upper/left, avoid to damage the figure below Figure 4-67.Paper guide removal procedure (2) Figure 4-68.PF roller removal (1) Figure 4-69.PF roller removal (2) 126 Figure 4-71.Paper guide assembling (2)Figure 4-70.Paper guide assembling (1) Figure 4-72.Paper guide assembling (3) 127 4.3.14 PF motor removalFigure 4-73.PF motor removal When removing the PF motor, do not damage the pinion gear of the PF motor with the Main frame When assembling the PF motor to the Main frame Do not damage the PF motor pinion gear Tightening torque for the screw is as follows • C.B.S. SCREW, 3x6, F/Zn (1 pcs) : 8 ± 1 kgf.cm 128 ADJUSTMENT131 MAINTENANCE132 6.1 Overview133 Figure 6-1.Status monitor 3 indicationFigure 6-3.Maintenance error indication in STM3 Figure 6-2.Head cleaning function in the printer driver utility 134 6.1.3 LubricationNever use oil or grease other than those specified in this Never apply larger amount of grease than specified in this manual Table 6-1.Specified lubricants Table 6-2.Lubrication point 135 30 mmFigure 6-4.Lubrication point Figure 6-6.Lubrication point 3 (1) 20 mm Figure 6-5.Lubrication point Figure 6-7.Lubrication point 3 (2) 137 APPENDIX
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EPSON® Stylus® Photo 1 EPSONAt-A-GlanceFrame-readyphotos at a picture-perfectprice Product SummaryFeature Customer advantage Competitive SpecsEPSON Stylus Hewlett Packard® Canon® Photo DeskJet 932c/940c Print Technology Print resolution Any paper Photo paper True black in photos Photo ink palette BorderFree photos In the boxEpson America, Inc October
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Epson 820 Installation Instructions
5 pages 244.41 Kb
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