Epson R310 service manual PG Checking

Page 91

EPSON Stylus Photo R300/R310

Revision A

9.After finishing PG Adjustment on the right, move "Carriage Unit" to the left edge again, then check PG according to the flowchart in the Figure 3-11.

Start

11. Check PGs on both the left and right according to the flowchart in the Figure 3-12.

Start

Check left PG.

Move "Carriage Unit" to

the right by using

Note: Take down toward the printer front by 1 notch: PG gets narrower.

Move "Carriage Unit" to

"Timing Belt".

Does the Thickness Gauge move?

No

Take up toward the printer back by 1 notch: PG gets wider.

Yes

the right by using

"Timing Belt".

Does the Thickness Gauge move?

No

Go to Step 10

Take up: PG gets wider

Take down: PG gets narrower

Take up "Bushing, Parallel
Adjust, Left" toward the
printer back by 1 notch.
Move "Carriage Unit" to
the right by using
"Timing Belt".
Does the Thickness	Yes
Does the Thickness
Gauge move?
No
Go Back to Step 7

Yes

Check right PG.

Move "Carriage Unit" to the left by using "Timing Belt".

Does the Thickness	No
Does the Thickness
Gauge move?
Yes
Go to Step 12	Go Back to Step 3

Figure 3-12. PG Checking (2)

Figure 3-11. PG Checking (1)

10.Move "Carriage Unit" back to the left edge of the printer, then set the Thickness Gauge (1.31mm) on the ribs (X3) of "Paper Guide, Front" in the same way as the Figure 3-7.

12.After finishing the adjustment, screw "Bushing, Parallel Adjust, Left (Right)".

13.After screwing, check PGs on both the left and right again according to the flowchart in the Figure 3-12.

ADJUSTMENT

Adjustment Except Adjustment Program

91

Image 91

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 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 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 USB ID Input Market SettingHead 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