Epson R310 service manual Removing ASF Assy

Page 49

Stylus Photo R300/R310

Revision A

2.3.8 Removing ASF Assy.

External View

Parts/Units which should be removed before removing "ASF Assy."

Paper Support Assy./Housing, Upper/Housing, Middle/Main Board Unit

Procedure for Removing

C.B.S 3x6 (5-7kgf•cm)
3
	4
C.B.P 3x8	(5-7kgf•cm)
C.B.S 3x6	(5-7kgf•cm)
1

ASF Assy.

C.B.S (P4) 3x6

(5-7kgf•cm)

2

Hook

Screw, ASF

(4-5kgfcm) 5

Acetate Tape

Compression Spring, 2.51

Hopper

1.	Take off the acetate tape. Then, release the connector cables of "PF Motor"
	and "PG Motor" from the hook of "ASF Assy.".
2.	Remove the screws (x5) which secure "ASF Assy.". Then, remove "ASF
	Assy." for the back of the printer.
3.	Open "Hopper" and then remove "Compression Spring, 2.51".
4.	Bow slightly down "Paper Back Lever" and release the dowels (x2) on the
	both sides in the order of 1 , 2 . Then, remove "Paper Back Lever".

CAUTION When removing "Paper Back Lever", the spring washer will detach and drop. Take care not to lose it.

5.Remove the screws (x2) which secure "Support Plate, Frame, ASF".

6.Release the hooks (x2) which secure "Extension Spring, 0.45". Then, remove "Roller, Retard Assy.".

Extension Spring, 0.45

Roller, Retard Hooks

Assy.

2 Dowel

Support Plate,

Frame, ASF

C.B.P 3x6 (3-5kgf•cm)

Paper Back Lever

Spring Washer

1

Dowels

Figure 2-18. Removing "ASF Assy."

DISASSEMBLY AND ASSEMBLY

Disassembly

49

Image 49

Contents Epson Stylus Photo R300/R310 Page Precautions About This Manual Revision Status Contents Troubleshooting Sensor check point Troubleshooting Flowchart Motor, Coil ResistanceLED/LCD Indication and STM3 Reaches about 90% Data error Troubleshooting This error is detected when CD/DVD Tray Check Points for Communication Error to Each Phenomenon Unit Level TroubleshootingCheck 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 CDR/DVDR Check Points for CD/DVD Tray Error to Each Phenomenon10. 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 Tools Service Completion Pre-Shipment Check ListPre-Shipment Checks ToolsDisassembly and Assembly † Caution for disassembly/assembly of Printer Mechanism † How to secure the quality for reassembled products Disassembly † External View Removing Paper Support AssyRemoving Housing, Upper Removing Housing, UpperReinstalling Printer Cover Paper Support Assy./Housing, Upper Removing Housing, MiddleMounting Panel FFC Vertical Direction 4 ± 1mm Horizontal Direction 1-2mm Removing Porous Pad, Paper Guide, FrontRemoving Panel Board Removing Stacker Assy 14. Reinstalling Stacker AssyRemoving Main Board Connectors connected to C536 Main BoardShield Plate, M/B and then attach it to Main Board „ Make sure to match Panel FFC and the lateral faceAssy. with a two-sided tape Adjustment † Required 18. Removing ASF Assy Removing ASF AssyTorsion Spring 20. Removing Holder, Shaft Assy Removing Holder, Shaft Assy„ Removing LD Roller † Reinstalling LD RollerLD Roller Removing CR Motor 26. Removing APG Assy Removing APG AssyRemoving Print Head PG Adjustment29. Removing Carriage Unit Removing Carriage Unit30. Removing Carriage Unit „ Removing CR Encoder Sensor Board „ Removing Pulley, Driven„ Removing Csic Board „ Removing PW Sensor BoardSlider, Holder, Scale Adjustment † Required Upper Removing Paper Guide, Upper38. Removing Printer Mechanism/Housing, Lower Removing Printer Mechanism/ Housing, LowerCombination Gear, 27.2, 19.2 may detach and drop. Take care † When lifting up Printer Mechanism, Lever, ChangeNot to drop and damage them 42. Installing Waste Ink Pads Left Removing Power Supply Unit 47. Removing CDR Guide Assy Removing CDR Guide Assy49. Removing CDR Guide Assy Removing Ink System † External View † Procedure for Removing† Do not remove the ink tube which is connected to Cap Assy Pump Assy52. Connecting Point for the ink tube Disassembly and Assembly Transform Star Wheels of Frame EJ Assy Removing Paper Guide, Front/Roller 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 Adjustment Items Servicing Adjustment Item ListFunction Item Purpose Adjustment Outline Tool Used Media Maintenance FunctionsAppendix Check Pattern PrintingAdjustment Item Replacement Part-Based Adjustment PrioritiesPaper Guide Front Removal USB ID Input Market SettingHead ID Input Bi-d Adjustment Head Angular AdjustmentFirst Dot Adjustment PW Sensor Adjustment9 A4 Normal Paper Print Offset Input for CR Motor Calorific Limitation10 A4 Photo Quality Inkjet Paper Print 11 A4 Photo Paper/ Glossy Photo Paper printSetting PG Position PG AdjustmentSetting Thickness Gauge 12. PG Checking Maintenance Service Maintenance CleaningDisplay for Status Monitor Lubrication Point Lubrication10mm 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