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Epson R260 Service Manual - Page 47

Troubleshooting by Symptom, 3.4.1 Problems in Printing Operation

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EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B 3.4 Troubleshooting by Symptom 3.4.1 Problems in Printing Operation This section provides how to troubleshoot the possible problems on the printer mechanism. No error message appears for most of the troubles described here. In the following tables, find the symptom you face and follow the troubleshooting procedure given in the table. † Paper Feeding Problems Table 3-12. Troubleshooting Paper Feeding Problems Symptom Possible Cause Check Point Remedy Is there any "micro pearl" paper dust or oil stain on the LD Roller? Use a cleaning sheet in order to clean the rollers. 1. Set a cleaning sheet in the ASF turning the sheet upside down. 2. Press the button on the operation panel to load the sheet. 3. Repeat the above procedure several times. The LD Roller is contaminated or worn-out In order to remove a severe smear, staple a cloth moistened with alcohol to a post card and carry out the following operations. 1. Set the post card in the ASF with the attached cloth facing the LD Roller or Retard Roller. 2. Then, holding the top edge, press the button on the operation panel to load the card. 3. Repeat Step 2. The paper dust or oil stain on the LD Roller or the Retard Roller surface is removed. If this does not solve the problem, replace the LD or Retard Roller. Paper is not fed into the printer. The Pickup Roller and Idle Roller are contaminated or worn-out Malfunction of the Paper Feed Mechanism Is there any "micro pearl" paper dust or oil stain on the Pickup Wipe the roller surface with a cloth moistened with alcohol. and Idle Rollers? Is there a malfunction of the Paper Feeding Mechanism? † Correct the phases of the Paper Feed Mechanism. † Remove any dust or foreign matter in the Paper Feed Mechanism. Is the PE Sensor connector disconnected from the Main Board Connect the PE Sensor cable to the Main Board and the PE Sensor correctly. or the sensor? R360/R380/R390: CN8 / R260/R265/R270: CN6 Is the Torsion Spring 0.22 detached or attached incorrectly? Attach the Torsion Spring 0.22 and the PE Lever correctly. Malfunction of the PE Sensor and PE Lever PE Sensor Lever Torsion Spring 0.22 Is the PE Sensor damaged? Replace the PE Sensor. Troubleshooting Troubleshooting by Symptom 48

Section	Page
Cover Page-Service	1
Product description	7
1.1 Overview	8
1.1.1 Differences between R260/265/270 and R360/380/390	8
1.2 Basic Specifications	9
1.2.1 Printing	9
1.2.2 Interfaces	10
1.3 Standalone Printing (R360/R380/R390 only)	12
1.3.1 Direct Print of Still Images	12
1.3.2 Direct Print of Movie Frames	13
1.4 Backup Function (R360/R380/R390 only)	14
1.5 CD/DVD Print (R360/R380/R390 only)	17
1.6 Operation Panel	18
1.6.1 Operation Panel	18
1.6.2 Indicator (LED)	19
1.7 Specifications Common to the Models	20
1.7.1 Electric Specifications	20
1.7.2 Environmental Condition	20
1.7.3 Durability	20
1.7.4 Noise Level	20
1.7.5 Dimensions	21
Operating Principles	22
2.1 Overview	23
2.1.1 Printer Mechanism	23
2.1.2 Motors & Sensors	24
2.2 Electrical Circuit Operating Principles	25
2.2.1 Main Features	25
2.2.2 Components of Control Boards	26
2.2.3 Circuit Block Diagram	27
2.3 Banding Reduction System (BRS) / Paper Feed Amount Profile Correction (PFP)	29
Troubleshooting	30
3.1 Overview	31
3.1.1 Troubleshooting on Motors and Sensors	31
3.2 Error/Warning Indications	32
3.2.1 Error Indication Method	32
3.3 Troubleshooting by Error Message	35
3.3.1 Troubleshooting Problems with Error Messages	35
3.4 Troubleshooting by Symptom	47
3.4.1 Problems in Printing Operation	47
3.4.2 Power Problems	52
3.4.3 Ink-related Problems	52
3.4.4 Problems with Interfaces	54
Disassembly/Assembly	55
4.1 Overview	56
4.1.1 Precautions	56
4.1.2 Tools	57
4.1.3 Screws	57
4.1.4 Work Completion Checklist	58
4.1.5 Required Preparation before Disassembly	60
4.1.6 Orientation Definition	60
4.1.7 How to Unlock the Carriage	61
4.1.8 Sharp Metal Edges (Danger!)	61
4.1.9 Differences in Disassembly Procedure by Model	62
4.1.10 Disassembly/Assembly Procedures	63
4.2 Removing Exterior Parts/Components	64
4.2.1 Paper Support	64
4.2.2 Printer Cover	64
4.2.3 Front Cover	65
4.2.4 Right Housing / Left Housing / USB Housing	65
4.2.5 Upper Housing	67
4.2.6 Panel Unit	68
4.2.7 EMI Frame / Waste Ink Tray	69
4.2.8 Right Front Housing / Left Front Housing	71
4.2.9 Front Housing	72
4.3 Removing Control Boards	75
4.3.1 Removing the USB Board (R260/R265/R270 only)	75
4.3.2 Removing the Main Board Unit	77
4.3.3 Disassembling the Main Board Unit	79
4.3.4 Removing the Card Board (R360/R380/R390 only)	81
4.3.5 Disassembling the Panel Unit	82
4.3.6 Middle Housing	85
4.4 Removing the Printer Mechanism	86
4.4.1 Removing the Printer Mechanism	86
4.5 Disassembly of the Printer Mechanism	88
4.5.1 CR Scale	88
4.5.2 APG Unit	89
4.5.3 Printhead	90
4.5.4 Waste Ink Pad	93
4.5.5 P/S Assy	93
4.5.6 Stacker Assy	94
4.5.7 Ink System	96
4.5.8 CR Motor	98
4.5.9 EJ Frame Assy	99
4.5.10 PF Encoder / PF Scale / PF Motor	101
4.5.11 ASF Unit	103
4.5.12 CR Unit	104
4.5.13 Upper Paper Guide	107
4.5.14 Front Paper Guide Assy/APG Sensor Assy	108
4.5.15 CDR Guide Detection Assy	110
Adjustment	111
5.1 Adjustment Items and Overview	112
5.1.1 Servicing Adjustment Item List	112
5.1.2 Replacement Part Adjustment Items	115
5.2 Adjustment by Using Adjustment Program	117
5.2.1 Top Margin Adjustment	117
5.2.2 Head angular adjustment	117
5.2.3 Bi-D Adjustment	118
5.2.4 PW Adjustment/First Dot Adjustment	119
5.2.5 PF Adjustment	120
5.2.6 PG Adjustment	121
5.3 Banding Reduction System (BRS) Adjustment/ Paper Feed Amount Profile (PFP) Correction	123
5.3.1 Overview	123
5.3.2 Adjustment Procedure	124
Maintenance	128
6.1 Overview	129
6.1.1 Cleaning	129
6.1.2 Service Maintenance	129
6.1.3 Lubrication	130
Appendix	136
7.1 Exploded Diagram / Parts List	137

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EPSON Stylus Photo R260/R265/R270, R360/R380/R390

Revision B

Troubleshooting

Troubleshooting by Symptom

3.4

Troubleshooting by Symptom

3.4.1

Problems in Printing Operation

This section provides how to troubleshoot the possible problems on the printer mechanism. No error message appears for most of the troubles described here. In the following tables,

find the symptom you face and follow the troubleshooting procedure given in the table.

Paper Feeding Problems

Table 3-12.

Troubleshooting Paper Feeding Problems

Symptom

Possible Cause

Check Point

Remedy

Paper is not fed

into the printer.

The LD Roller is

contaminated or worn-out

Is there any “micro pearl” paper dust or oil stain on the LD

Roller?

Use a cleaning sheet in order to clean the rollers.

Set a cleaning sheet in the ASF turning the sheet upside down.

Press the button on the operation panel to load the sheet.

Repeat the above procedure several times.

In order to remove a severe smear, staple a cloth moistened with alcohol to a post card

and carry out the following operations.

Set the post card in the ASF with the attached cloth facing the LD Roller or Retard

Roller.

Then, holding the top edge, press the button on the operation panel to load the

card.

Repeat Step 2. The paper dust or oil stain on the LD Roller or the Retard Roller

surface is removed.

If this does not solve the problem, replace the LD or Retard Roller.

The Pickup Roller and Idle

Roller are contaminated or

worn-out

Is there any “micro pearl” paper dust or oil stain on the Pickup

and Idle Rollers?

Wipe the roller surface with a cloth moistened with alcohol.

Malfunction of the Paper

Feed Mechanism

Is there a malfunction of the Paper Feeding Mechanism?

Correct the phases of the Paper Feed Mechanism.

Remove any dust or foreign matter in the Paper Feed Mechanism.

Malfunction of the PE

Sensor and PE Lever

Is the PE Sensor connector disconnected from the Main Board

or the sensor?

Connect the PE Sensor cable to the Main Board and the PE Sensor correctly.

R360/R380/R390: CN8 / R260/R265/R270: CN6

Is the Torsion Spring 0.22 detached or attached incorrectly?

Attach the Torsion Spring 0.22 and the PE Lever correctly.

Is the PE Sensor damaged?

Replace the PE Sensor.

Torsion Spring 0.22

PE Sensor Lever