EPSON Stylus COLOR 860/1160 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
Yes
No
Troubleshooting w ith
LED error indications
(Section 3.1.1)
(Section 3.1.3)
Is the printer pow er on?
Isolating the faulty part
on the pow er supply
board
(Section 3.1.2)
Isolating the faulty part
according to the
exhibited phenom enons
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%
ASF/Pump Motor • CN7 (Main Board) Pin 1& 3,
Pin 2 & 4,
10.4 OHM+/-10%
Sensor Connector No.
Measurement
value
Status
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
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