Epson TX109, TX105, SX100, TX100, NX105, ME 300, SX105, TX101, TX106, TX102, TX103 Ink stain of paper

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Epson STYLUS NX100/NX105/SX100/SX105/TX100/TX101/TX102/TX103/TX105/TX106/TX109/ME 300

Revision A

Table 3-12. Check point for the defective printing quality

Print Quality State

Detailed phenomenon

Defective

unit/part name

Check point

Remedy

• Ink stain of paper

Ink sticks to other than the print area of the paper, resulting in contamination.

Printhead	1.	Check if the Printhead Cover has the ink drop.	1.	Clean the Printhead Cover carefully with a soft
Printhead				cloth.
				cloth.

Upper Paper Guide 1.		Check if the Upper Paper Guide Unit is free from ink	1.	Clean the Upper Paper Guide Unit with a soft
		stain.		cloth.
	2.	Check if the Wheel Star Metal, Spring Star Wheel and	2.	Reassemble the Wheel Star Metal, Spring Star
		Wheel Star Exit come off.		Wheel and Wheel Star Exit correctly.

EJ Frame Assy

Wheel Star Metal

Spring Star Wheel

Wheel Star Exit

TROUBLESHOOTING

Error Indications and Fault Occurrence Causes

52

Confidential

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Contents Confidential Confidential Precautions About This Manual Revision Date of Issue Description Revision StatusContents Maintenance Product Description Features External ViewBasic Specifications Printing SpecificationsInk Cartridge Print Mode Print Mode ColorPrint Mode Monochrome Media Print Mode Resolution Dot Size cpsPaper Name Paper Size Thickness Weight Supported PaperSupported Paper Asia#DL Scanner Specifications Printing AreaScanning Range Printing Area MarginsGeneral Specifications Electrical Specifications10. Primary Power Specifications Environmental ConditionsSafety Approvals Safety standards/EMI InterfaceDurability USB InterfaceControl Panel Operation Buttons & LEDs15. Buttons & LEDs Button/LED Function16. Buttons Functions Control Panel FunctionsButton Printer Status Functions Revision a Priority Power LED Paper LED Ink LED 17. LED FunctionsSetting for Stand-alone Copy Supported Paper and Copy ModeStand-alone Copy Function Copy Speed Multiple Copying20. Copy Speed 21. Conditions for Storing the Scanned DataOperating Principles Overview Printer MechanismPrinter Mechanism Motors & Sensors Motors & SensorsScanner Mechanism CIS & Motor Printhead Nozzle LayoutTroubleshooting Identifying the causes of problems. The parts should be Preliminary ChecksSpecified Tools Disassembled and re-assembled correctly while referring toError Indications and Fault Occurrence Causes Error Indications and Fault Occurrence CausesTroubleshooting by Error Message Check point for Fatal error according to each phenomenonMaintenance p.116. TBD Main Board When turning on the power, the PF Motor Carriage Unit collides with the Upper Encoder FFC Cap Assy Lever Cleaner Refer to Ink System p.77 Upper Paper Guide Check point for Paper jam error according to each phenomenon Top edge of paper is not loaded to Check point for Paper out error according to each phenomenon Guide pin Clutch LD Roller Shaft Extension Spring Paper Back Lever CR Contact Module PS Board Cable Panel FFC Superficial Phenomenon-Based Troubleshooting 10. Check point for the abnormal noise 11. Check point for the defective scanned image quality12. Check point for the defective printing quality TBD Printer driver Check point for Paper out error according to Ink stain of paper 13. Sensor check point Motor and Sensor TroubleshootingMotor Motor Type Drive Voltage Resistance DISASSEMBLY/ASSEMBLY Precautions ToolsTools Name Epson Tool CodeWork Completion Check Work Completion CheckClassification Check Point Status Disassembly Procedures StartPaper Support Tray Removing the HousingStacker Assy Document Cover/ASF Cover Removing the ASF CoverScanner Stand /Cover Wire Scanner Stand11. Installing the Cover Wire Scanner Unit When removing the FFC and the cable from the connectors asOn the Main Board, otherwise, it may gets damaged Middle Housing 14. Removing the Middle Housing„ Be careful when removing the Panel Unit, because the Main Removing the Circuit BoardsPanel Unit Board and the Panel Board on the rear of the Panel Unit areCN No Cable Cable Color Connector Pins Main BoardPower Supply Unit 22. Installing the Main boardDowel Rib Protrusion Positioning Hole Disassembling the Printer Mechanism 26. Removing the Printhead30. Removing the Printhead 27and -31 CR Scale 36. Removing the CR ScaleHopper 37. Removing the HopperPF Encoder/ PF Scale EJ Roller/ EJ Frame AssyDo not touch the PF Scale with bare hands Do not damage the PF ScaleMaintenance p.108 CR Motor/ Driven Pulley 45. Removing the CR Motor47. Installing the CR Motor Ink System 50. Removing the Cap Assy52. Removing the Cap Assy 56. Installing the Pump Assy Felt Wiper58. Disassembling the Cap Assy Disassembling the Pump Assy PF Motor 67. Removing the PF MotorDo not damage the Pinion Gear Be careful of not to break the soldered portionsUpper Paper Guide with bare hands to avoid degrading Main FramePrint quality „ Do not damage the PF Scale and the Lever Pick Clutch with Main FrameRequired adjustments must be carried out Upper Paper GuideWith bare hands to avoid degrading the print quality Whenever the Upper Paper Guide is removed/replaced,CR Unit 78. Removing the CR Unit83. Installing the CR Unit Adjustments must be carried out Whenever the CR Unit is removed/replaced, the requiredHands or damage it to avoid degrading the print quality PF RollerWhenever the PF Roller is removed/replaced, the required LD Roller/ ASF Unit Quality93. Removing the Lever Pick Clutch Waste Ink Pads 99. Removing the Waste Ink Pads102. Installing the Waste Ink Pads Confidential Disassembling the Scanner Unit Upper Scanner HousingScanner Unit, make sure to assemble the part referring to Do not scratch the Rod Lens Array when removing the Scanner Grease on the rail of the Lower Scanner HousingScanner Carriage Unit Carriage Unit113. Replacing the Spacers Scanner Motor Unit 114. Removing the Scanner Motor UnitAdjustment Servicing Adjustment Item List TBD Adjustment Items and OverviewAdjustment Item Purpose Method Outline Tool Maintenance Items Additional FunctionsPurpose Method Outline Tool Additional Functions Purpose Method Outline ToolRequired Adjustments TBD Required Adjustment ListAdjustment Items and Overview 104 Using the Adjustment Program TBD TOP Margin AdjustmentFirst Dot Position Adjustment Measurement result Selection of adjustment valueBi-D Adjustment Head Angular AdjustmentAdditional Information PF Adjustment PF Band Adjustment Printout Pattern How to JudgeMaintenance Cleaning Service MaintenanceLubrication Overview 111 Appendix Exploded Diagram / Parts List

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