Home » Epson Manuals » Photo Printers » Epson R260 » Manual Viewer

Epson R260 Service Manual - Page 50

Table 3-16., Troubleshooting Print Quality Problems - print test page

UPC - 010343859043

Add to My Manuals
Save this manual to your list of manuals

Page 50 highlights

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B † Print quality problems Symptom Possible Cause Dirt on the Printhead. Printed image has The absorber of the Cap Unit missing colors, contacts with the Printhead surface and the missed during printing. colors are always Head FFC failure same. A malfunction of the Printhead Dirt on the Printhead. Missing dots appear sometimes. Ink cartridge failure Poor connection of the Head FFC A malfunction of the Printhead White streak / abnormal discharge Poor connection of the Head FFC A malfunction of the Printhead Vertical lines are Improper Bi-D adjustment misaligned. Table 3-16. Troubleshooting Print Quality Problems Check Point Remedy Run a cleaning cycle and make a test print. Repeat the operation Clean the Printhead surface with a cotton swab. several times. Does the problem still appear? Is the absorber of the Cap Unit deformed or damaged? Replace the Ink System. Is the Head FFC damaged or broken? Replace the Head FFC. Run a cleaning cycle and print a nozzle check pattern. Repeat the Replace the Printhead. operation several times. Does the problem still appear? Run a cleaning cycle and print a nozzle check pattern. Repeat the Clean the Printhead surface with a cotton swab. operation several times. Does the problem still appear? Replace the ink cartridge with a new one, and print a nozzle check The cartridge is defective. Use the new cartridge. pattern. The printed pattern has no missing dots? Check the FFC with a tester. Does the result show poor connection Replace the Head FFC. of the FFC? Run a cleaning cycle and print a nozzle check pattern. Repeat the Replace the Printhead. operation several times. Does the problem still appear? Is the Head FFC not securely connected to the CR Unit and boards? Connect the FFC correctly. Is the Head FFC not securely connected to the Printhead? Connect the FFC correctly. If there is no problem with the connection status, replace the Printhead. Using the Adjustment Program, check the Bi-D setting. Is the setting made properly? Carry out the Bi-D adjustment properly. Troubleshooting Troubleshooting by Symptom 51

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

Match case Limit results 1 per page

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

Revision B

Troubleshooting

Troubleshooting by Symptom

Print quality problems

Table 3-16.

Troubleshooting Print Quality Problems

Symptom

Possible Cause

Check Point

Remedy

Printed image has

missing colors,

and the missed

colors are always

same.

Dirt on the Printhead.

Run a cleaning cycle and make a test print. Repeat the operation

several times. Does the problem still appear?

Clean the Printhead surface with a cotton swab.

The absorber of the Cap Unit

contacts with the Printhead surface

during printing.

Is the absorber of the Cap Unit deformed or damaged?

Replace the Ink System.

Head FFC failure

Is the Head FFC damaged or broken?

Replace the Head FFC.

A malfunction of the Printhead

Run a cleaning cycle and print a nozzle check pattern. Repeat the

operation several times. Does the problem still appear?

Replace the Printhead.

Missing dots

appear

sometimes.

Dirt on the Printhead.

Run a cleaning cycle and print a nozzle check pattern. Repeat the

operation several times. Does the problem still appear?

Clean the Printhead surface with a cotton swab.

Ink cartridge failure

Replace the ink cartridge with a new one, and print a nozzle check

pattern. The printed pattern has no missing dots?

The cartridge is defective. Use the new cartridge.

Poor connection of the Head FFC

Check the FFC with a tester. Does the result show poor connection

of the FFC?

Replace the Head FFC.

A malfunction of the Printhead

Run a cleaning cycle and print a nozzle check pattern. Repeat the

operation several times. Does the problem still appear?

Replace the Printhead.

White streak /

abnormal

discharge

Poor connection of the Head FFC

Is the Head FFC not securely connected to the CR Unit and boards?

Connect the FFC correctly.

A malfunction of the Printhead

Is the Head FFC not securely connected to the Printhead?

Connect the FFC correctly. If there is no problem with the connection

status, replace the Printhead.

Vertical lines are

misaligned.

Improper Bi-D adjustment

Using the Adjustment Program, check the Bi-D setting. Is the

setting made properly?

Carry out the Bi-D adjustment properly.