Epson R310 service manual Refer to Section

Page 27

EPSON Stylus Photo R300/R310

Revision A

Table 1-14. Check Points for Defective Print Quality

Occurrence Timing

Position of CR

Phenomenon Detail

Faulty Part/

Part Name

Check Point

Remedy

At operation

-

Ink System

7. Check if "Slider Lock Lever" is not damaged.

7. Replace "Ink System" with a new one.

[Phenomenon 6]

Ink Cartridge

1.

Check if ink still remains in Ink Cartridge

1.

Replace the Ink Cartridge with a new one.

When the Cleaning is working, the ink is

 

 

 

 

 

drained into "Waste Ink Pad". However,

 

1.

Check if there is not any foreign matter on the nozzle

1.

Perform the wiping operation. Replace

some missing dots and out of alignment

 

 

surface of "Print Head".

 

"Wiper" when "Wiper" is deformed or

occur while printing. They are not

 

 

 

 

contaminated awfully.

solved even executing the Cleaning

 

2.

Check if "Head FFC" is connected to CN7 and CN8 on

2.

Securely connect "Head FFC" to "Main

several times.

Print Head

 

"Main Board", or to the board on "Print Head".

 

Board" or the board on "Print Head".

 

3.

Check if "Head FFC" is not damaged.

3.

Replace "Head FFC" with a new one.

* If the problem is not solved,

 

 

4.

Check if each segment prints correctly with the Nozzle

4.

Perform Head Cleaning and check the Nozzle

replace "Main Board" with a new

 

 

Check Pattern.

 

Check Pattern.

one.

 

 

 

 

* If the problem is not solved, replace "Print

 

 

 

 

 

 

 

 

 

 

Head" with a new one.

Banding phenomenon occurs in a

 

1.

Check if there is no foreign matter on the surface of "CR

1.

Remove the foreign matter on "CR Guide

direction perpendicular to "Carriage

 

 

Guide Shaft".

 

Shaft".

Unit" movement getting uneven print

 

2.

Check if there is no damage on the surface of "CR Guide

2.

Replace "CR Guide Shaft" with a new one.

density.

 

 

Shaft".

 

 

Direction of

 

3.

Check if there is enough grease on the surface of "CR

3.

Wipe the surface of "CR Guide Shaft" with a

 

 

Guide Shaft".

 

dry soft cloth, and then apply G-63 to it.

CR movement

 

 

 

 

Refer to Section 4.1.3.

 

Carriage Unit

 

 

 

 

4.

Check if "CR Guide Shaft" is properly connected to

4.

Reassemble "CR Guide Shaft" correctly.

 

 

 

 

 

"Main Frame" with the fixing spring of "CR Guide

 

 

 

 

 

Shaft".

 

 

(Note)

 

 

 

 

 

If the problem is not solved, replace "CR

 

 

 

 

 

Motor" with a new one.

 

 

 

 

 

TROUBLESHOOTING

Unit Level Troubleshooting

27

Image 27
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 ListTools Pre-Shipment ChecksDisassembly 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 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 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, 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 47. Removing CDR Guide Assy Removing CDR Guide Assy49. Removing CDR Guide Assy Pump Assy † External View † Procedure for RemovingRemoving Ink System † Do not remove the ink tube which is connected to Cap 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 Market Setting USB ID InputHead ID Input Bi-d Adjustment Head Angular AdjustmentFirst Dot Adjustment PW Sensor Adjustment11 A4 Photo Paper/ Glossy Photo Paper print Offset Input for CR Motor Calorific Limitation9 A4 Normal Paper Print 10 A4 Photo Quality Inkjet 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