Epson R310 service manual Removing CR Motor, Procedure for Removing

Page 54

Stylus Photo R300/R310

Revision A

2.3.10 Removing CR Motor

Procedure for Removing

External View

CN8

Puller, Driven

Carriage Unit

Carriage Lock

C.C 3x4 (3.5-4.5kgf•cm)

1

2

1.	Disconnect the connector cable of "CR Motor" from the connector (CN8) of
	"Main Board".
2.	Release the carriage lock with the tweezers or alike, then move "Carriage
	Unit" to the centre of the printer.
3.	Push "Pulley, Driven" in the direction of the arrow and loosen the tension of
	"Timing Belt". Then, remove "Timing Belt" from the pinion gear of "CR
	Motor".
4.	Remove the screws (x2) which secure "CR Motor". Then, remove "CR
	Motor".

CAUTION Do not damage the pinion gear when removing "CR Motor".

Make sure to screw "CR Motor" in the order as shown in the figure.

Timing Belt

CR Motor

Figure 2-25. Removing "CR Motor"

Make sure that there is no gap between "CR Motor" and "Frame, Main".

Make sure that the part on which "CR Motor" Lot number is printed is face-up.

Parts/Units which should be removed before removing "CR Motor" Paper Support Assy./Housing, Upper/Housing, Middle

ADJUSTMENT

REQUIRED

When having removed or replaced "CR Motor", implement the adjustment in the following order. (Refer to Chapter 3 "ADJUSTMENT")

1.First dot Adjustment

2.PW Sensor Adjustment

3.Head Angular Adjustment

4.Bi-D Adjustment

5.Offset Input for CR Motor Calorific Limitation (When Replaced)

DISASSEMBLY AND ASSEMBLY

Disassembly

54

Image 54

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 Pre-Shipment Checks Service Completion Pre-Shipment Check ListTools 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 Board„ Make sure to match Panel FFC and the lateral face Shield Plate, M/B and then attach it to Main BoardAssy. with a two-sided tape 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, Lower† When lifting up Printer Mechanism, Lever, Change Combination Gear, 27.2, 19.2 may detach and drop. Take careNot to drop and damage them 42. Installing Waste Ink Pads Left Removing Power Supply Unit Removing CDR Guide Assy 47. Removing CDR Guide Assy49. Removing CDR Guide Assy † Do not remove the ink tube which is connected to Cap Assy † External View † Procedure for RemovingRemoving Ink System 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 Market Setting USB ID InputHead ID Input Head Angular Adjustment Bi-d AdjustmentPW Sensor Adjustment First Dot Adjustment10 A4 Photo Quality Inkjet Paper Print Offset Input for CR Motor Calorific Limitation9 A4 Normal 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