EPSON Stylus COLOR 760
Revision C
Troubleshooting
Overview
54
3.1 Overview
This chapter describes how to troubleshoot problems. It consists of the
sections shown in the flowchart below. When identifying and
troubleshooting problems, be sure to proceed to the correct section
specified in the flowchart.
Figure 3-1. Troubleshooting Flowchart
Following sections show detailed information on each step in the
flowchart. Be sure to perform troubleshooting without neglecting the
correct order specified in each section.
First of all, following tables show you the Motor Resistance and the
sensor check informations.
Table 3-1. Motor Resistance and Measurement Procedure
Table 3-2. Sensor Check an Measurement Procedure
Y e s
N o
T r o u b l e s h o o t i n g w i t h
L E D e r r o r i n d i c a t i o n s
( S e c t i o n 3 . 1 . 1 )
( S e c t i o n 3 . 1 . 3 )
I s t h e p r i n t e r p o w e r o n ?
I s o l a t i n g t h e f a u l t y p a r t
o n t h e p o w e r s u p p l y
b o a r d
( S e c t i o n 3 . 1 . 2 )
I s o l a t i n g t h e f a u l t y p a r t
a c c o r d i n g t o t h e
e x h i b i t e d p h e n o m e n o n s
Motor Name
Location
Check Point
CR Motor
CN14 (Main board)
Pin 1 & 2,
31.1 OHM +/- 25%
PF Motor
CN13 (Main Board)
Pin 1 & 2,
31.1 OHM +/- 25%
Sensor
Check Point
Finding
Description
PE Sensor
CN4 Pin 1 & 2
• 0V
• 5V
Detect the Paper
No Paper
ASF/HP Sensor
CN6 Pin 1 & 2
• 0V
• 5V
Detect the ASF HP
Not detect ASF HP
PF Motor
Enscorder Sensor
CN12
• 0V
• 5V
Transparency Slit
Black Slit
CR Motor
Encorder Sensor
CN8
• 0V
• 5V
Transparency Slit
Black Slit
Black I/C
Detection Sensor
CN9
Pin 15 & Pin 18
• 5V
• 0V
I/C is not installed
I/C is installed
Color I/C
Detection Sensor
CN9
Pin 15 & Pin 17
• 5V
• 0V
I/C is not installed
I/C is installed
Содержание Stylus Color 760
Страница 1: ...EPSONStylusCOLOR760 Color ink jet printer SEIJ99004 SERVICE MANUAL ...
Страница 8: ...C H A P T E R PRODUCTDESCRIPTION ...
Страница 27: ...C H A P T E R OPERATINGPRINCIPLES ...
Страница 53: ...C H A P T E R TROUBLESHOOTING ...
Страница 72: ...C H A P T E R DISASSEMBLYANDASSEMBLY ...
Страница 109: ...C H A P T E R ADJUSTMENT ...
Страница 142: ...C H A P T E R MAINTENANCE ...
Страница 152: ...APPENDIX C H A P T E R ...
Страница 163: ...PSON Stylus COLOR 760 Revision C ppendix Circuit Board Component Layouts 163 Figure 7 5 C298PNL Component Layout ...