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Epson 2200 Service Manual - Page 104

Superficial Phenomenon-Based Troubleshooting, Table 3-18., Print Quality Fault Check Points

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EPSON Stylus PHOTO 2100/2200 Revision B 3.3.1 Superficial Phenomenon-Based Troubleshooting This section applies to the fault locations of the error states (print quality fault and abnormal noise) other than the error states (LED and EPW3) in the previous section. Table 3-18. Print Quality Fault Check Points Print Quality State Phenomenon Detail Dot missing and mixed colors [Phenomenon 1] In the CL sequence, the Pump unit operates properly but ink is not ejected to the Waste ink pads. Ink is not sucked from the Printhead into the Cap at all. Hence, printing is not executed if a print command is given to the printer. (Dot missing) Faulty Part/ Part Name Cap unit Check Point Remedy 1. Check for foreign matter around the Seal rubber on the Cap unit. 1. Remove foreign matter around the Seal rubber carefully. Seal rubber 2. Check that the Compression springs are assembled correctly in 2. Install the Compression springs to the Cap unit the Cap unit. correctly. Compression springs TROUBLESHOOTING Troubleshooting 104

Section	Page
FRONT MATTER	1
CONTENTS	6
CHAP 1-PRODUCTION DESCRIPTION	8
Overview	9
Basic Specifications	10
Specification Outline Comparison	10
Paper Specification	15
Printing Area	17
Ink Type-based Medium Compatibility Specifications	23
Release Lever	25
Functions	26
Control Panel	26
Switches	26
Indicators	26
Switch Functions	26
Default Setting Selection Function	28
Special Setting Mode Function	29
Status Printing	30
Panel Operation for Roll Paper Printing	31
Panel Operation for CD-R Printing	33
Panel Operation for Thick Paper Printing	33
Panel Operation in Roller Cleaning Mode	34
Indicator Display in Normal Mode	35
Error Status	36
Casing Specifications	37
Accessories	37
Environment Specification Items	38
CHAP 2-OPERATING PRINCIPLES	39
Overview	40
Printer Mechanism	40
Carriage Mechanism	41
Print Mode	44
Paper Feeding Mechanism	48
Paper Loading Mechanism	54
Ink System Mechanism	58
Ink Sequence	60
Paper Cutter Mechanism	63
Power-On Sequence	65
Electrical Circuitry Operating Principles	66
Power Supply Circuit Operating Principle	67
C387MAIN Circuit Operating Principle	68
CHAP 3-TROUBLESHOOTING	69
Overview	70
Error Indications and Fault Occurrence Causes	70
Troubleshooting	78
Superficial Phenomenon-Based Troubleshooting	104
EEPROM Data Analysis	114
CHAP 4-DISASSEMBLY AND ASSEMBLY	115
Overview	116
Precautions	116
Tools to Be Used	117
Screw List	118
Pre-Shipment Checks	119
Disassembly	120
Removing the Housings	121
Removing the Board Assembly	127
Removing the Waste Ink Pads	131
Removing the ASF Unit	132
Removing the Paper Eject Unit	140
Removing the Paper Eject Roller B	144
Removing the Printhead	146
Removing the Carriage Guide Shaft B	149
Removing the Carriage Guide Shaft A and Carriage Unit	152
Removing the Ink System Unit	158
Removing the Release Lever Shaft	159
Removing the Sensors	161
Removing the Motors	168
Removing the DE Unit and ASF/Pump Motor	171
Removing the PF Roller	175
Removing the Paper Eject Roller Shaft A	179
Removing the PF Roller Support	181
Disassembling the Cutter Unit	182
Fitting the Protective Materials	186
CHAP 5-ADJUSTMENT	187
Adjustment Items and Overview	188
Servicing Adjustment Item List	188
Priority of Adjustment Items	193
Replacement Part-Based Adjustment Priorities	194
Required Jigs, Tools and Like	196
Adjustments	197
Servicing Program Usage Outline	197
Head ID Input Function	199
CR motor drive torque dispersion measurement	199
PG Adjustment	200
Head Angular Adjustment	204
CR Tooth Skip Prevention Mechanism Adjustment	206
PF Adjustment	206
PW Sensor Adjustment	207
Bi-D Adjustment	208
Pixel Shift Adjustment	209
Cut Position Adjustment	210
USB ID Input	210
IEEE-1394 ID Input	211
First dot position adjsutment (Left/Right Margin Adjustment)	211
A3+ Photo Quality Ink Jet Paper 2 Print Pattern Printing Function	212
A4 Plain Paper print check pattern	213
CHAP 6-MAINTENANCE	214
Overview	215
ROM Replacement	215
Cleaning	215
Service Maintenance	216
Lubrication	217
CHAP 7-APPENDIX	226
Connector Summary	227
Connectors and Pin Layouts	227
EEPROM Address Map	231
Exploded Diagram	236
Parts List for EPSON Stylus Photo 2100	248

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EPSON Stylus PHOTO 2100/2200

Revision B

TROUBLESHOOTING

Troubleshooting

104

3.3.1

Superficial Phenomenon-Based Troubleshooting

This section applies to the fault locations of the error states (print quality fault and abnormal noise) other than the error states (LED and EPW3) in the previous section.

Table 3-18.

Print Quality Fault Check Points

Print Quality State

Phenomenon Detail

Faulty Part/

Part Name

Check Point

Remedy

Dot missing and

mixed colors

[Phenomenon 1]

In the CL sequence, the Pump

unit operates properly but ink is

not ejected to the Waste ink pads.

Ink is not sucked from the

Printhead into the Cap at all.

Hence, printing is not executed if

a print command is given to the

printer. (Dot missing)

Cap unit

Check for foreign matter around the Seal rubber on the Cap unit.

Check that the Compression springs are assembled correctly in

the Cap unit.

Remove foreign matter around the Seal rubber

carefully.

Install the Compression springs to the Cap unit

correctly.

Seal rubber

Compression springs