Epson R310 service manual Removing Print Head, PG Adjustment

Page 56

Stylus Photo R300/R310

Revision A

2.3.12 Removing Print Head

†External View

6.Remove the screws (x2) which secure "Print Head" with Phillips screwdriver (No.1).

7.Disconnect "Cable, Head" from the connector of "Print Head" while slightly lifting "Print Head". Then, remove "Print Head".

Carriage Unit

Carriage Lock

Hooks

Holder, IC

Hooks

Holder, FFC

C.B.P 2.5x6 (3-5kgf•cm)

Cable, Head

Print Head

CAUTION Do not touch and/or damage the nozzle surface of "Print Head" when handling it.

† Check if "Head FFC" is correctly connected to the connector of "Print Head".

†Check if "Print Head" is correctly set to "Carriage Unit".

C.B.B (P2) 2.5x8 (3-5kgf•cm)

ADJUSTMENT †

REQUIRED

When having removed or replaced "Print Head", implement the adjustment in the following order.

(Refer to Chapter 3 "ADJUSTMENT")

1.

Ink Charge (When Replaced)

2.

Head ID Input (When Replaced)

Figure 2-28. Removing "Print Head"

†Parts/Units which should be removed before removing "Print Head". Paper Support Assy./Housing, Upper/Housing, Middle

†Procedure for Removing

1.Remove all the ink cartridges from "Carriage Unit".

2.Release "Carriage Lock" with the tweezers or alike, then move "Carriage Unit" to the centre of the printer.

3.Remove the screw (x1) which secures "Holder, FFC" with the No. 1 driver.

4.Slightly inflect the lower part of "Holder, FFC", release the hooks (x3) by sliding it downward. Then, remove "Holder, FFC".

5.Release the hooks (x2) which secure "Holder, IC", and remove "Holder, IC" upward.

3.

PG Adjustment

4.

First Dot Adjustment

5.

PW Sensor Adjustment

6.

Head Angular Adjustment

7.

Bi-D Adjustment

DISASSEMBLY AND ASSEMBLY

Disassembly

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Image 56
Contents Epson Stylus Photo R300/R310 Page Precautions About This Manual Revision Status Contents Troubleshooting Troubleshooting Flowchart Motor, Coil Resistance Sensor check pointLED/LCD Indication and STM3 Reaches about 90% Data error Troubleshooting This error is detected when CD/DVD Tray Unit Level Troubleshooting Check Points for Communication Error to Each PhenomenonCheck Points for Paper Out Error to Each Phenomenon Is ejected without being set at the print Start position Lever, Change Check Points for Paper Jam Error to Each Phenomenon Occurrence Phenomenon Detail Faulty Part Check Point Remedy Paper Guide, Upper Check Points for CD/DVD Guide Error to Each Phenomenon Check Points for CD/DVD Tray Error to Each Phenomenon CDR/DVDR10. Check points for Memory Card Error to Each Phenomenon 11. Check Points for Fatal Error to Each Phenomenon 13. Check Points for Abnormal Sound 14. Check Points for Defective Print Quality Refer to Section At operation LD Roller With a soft cloth Disassembly and Assembly Precautions Service Completion Pre-Shipment Check List ToolsPre-Shipment Checks ToolsDisassembly and Assembly † Caution for disassembly/assembly of Printer Mechanism † How to secure the quality for reassembled products Disassembly Removing Paper Support Assy † External ViewRemoving Housing, Upper Removing Housing, UpperReinstalling Printer Cover Removing Housing, Middle Paper Support Assy./Housing, UpperMounting Panel FFC Removing Porous Pad, Paper Guide, Front Vertical Direction 4 ± 1mm Horizontal Direction 1-2mmRemoving Panel Board 14. Reinstalling Stacker Assy Removing Stacker AssyConnectors connected to C536 Main Board Removing Main BoardAssy. with a two-sided tape „ Make sure to match Panel FFC and the lateral faceShield Plate, M/B and then attach it to Main Board Adjustment † Required Removing ASF Assy 18. Removing ASF AssyTorsion Spring Removing Holder, Shaft Assy 20. Removing Holder, Shaft Assy† Reinstalling LD Roller „ Removing LD RollerLD Roller Removing CR Motor Removing APG Assy 26. Removing APG AssyPG Adjustment Removing Print HeadRemoving Carriage Unit 29. Removing Carriage Unit30. Removing Carriage Unit „ Removing Pulley, Driven „ Removing CR Encoder Sensor Board„ Removing PW Sensor Board „ Removing Csic BoardSlider, Holder, Scale Adjustment † Required Removing Paper Guide, Upper UpperRemoving Printer Mechanism/ Housing, Lower 38. Removing Printer Mechanism/Housing, LowerNot to drop and damage them † When lifting up Printer Mechanism, Lever, ChangeCombination Gear, 27.2, 19.2 may detach and drop. Take care 42. Installing Waste Ink Pads Left Removing Power Supply Unit Removing CDR Guide Assy 47. Removing CDR Guide Assy49. Removing CDR Guide Assy † External View † Procedure for Removing Removing Ink System† Do not remove the ink tube which is connected to Cap Assy Pump Assy52. Connecting Point for the ink tube Disassembly and Assembly Removing Paper Guide, Front/Roller EJ Assy Transform Star Wheels of Frame EJ Assy55. Removing Paper Guide, Front/Roller EJ Assy 56. Removing Paper Guide, Front/Roller EJ Assy Adequate dose to the specified points Removing PF Motor Adjustment Servicing Adjustment Item List Adjustment ItemsMaintenance Functions Function Item Purpose Adjustment Outline Tool Used MediaCheck Pattern Printing AppendixReplacement Part-Based Adjustment Priorities Adjustment ItemPaper Guide Front Removal Head ID Input Market SettingUSB ID Input Head Angular Adjustment Bi-d AdjustmentPW Sensor Adjustment First Dot AdjustmentOffset Input for CR Motor Calorific Limitation 9 A4 Normal Paper Print10 A4 Photo Quality Inkjet Paper Print 11 A4 Photo Paper/ Glossy Photo Paper printPG Adjustment Setting PG PositionSetting Thickness Gauge 12. PG Checking Maintenance Cleaning Service MaintenanceDisplay for Status Monitor Lubrication Lubrication Point10mm Right side surface of smaller shaft of Frame EJ Inside periphery surface of Cam, CR, Right Pulley, Driven Assy Overview 100 Overview 101 Appendix Exploded Diagram Electrical Circuits Page Page Model PM-D750, Stylus Photo R300/310 Model Stylus Photo R300/310 Board C536PNL