EPSON Stylus CX1500/ME100
Revision A
TROUBLESHOOTING
Overview
48
3.1 Overview
This chapter describes unit-level troubleshooting. Refer to the flowchart in this chapter
to identify the defective unit and perform component level repair if necessary. This
chapter also explains motor coil resistance, sensor specification and error indication.
Figure 3-1. Troubleshooting Flowchart
3.2 Error Indications and Fault Occurrence
Causes
This section describes the LED indications, STM3 messages and fault occurrence
causes at occurrence of the following errors during any sequence/operation (e.g.
power-on sequence, paper feeding/loading sequence, ink sucking sequence).
NOTE: Errors caused by the Scanner Unit are not displayed on the STM3.
(STM3 displays the Printer’s errors only)
Table 3-1. Motor, Coil Resistance
Motor
Location
Check point
Resistance
CR Motor
J10
Pin 1 and 3
Pin 2 and 4
11.5
Ω
± 10%
(at 25°C/phase)
PF Motor
J9
Pin 1 and 3
Pin 2 and 4
6.1
Ω
± 10%
(at 25°C/phase)
Scanner Motor
J6
Pin 1 and 3
Pin 2 and 4
TBD
Ω
±
TBD%
(at 25
°
C / phase)
START
Unit-level troubleshooting
Unit repair
Assemble & Adjustment
END
Table 3-2. Sensor Check Point
Sensor name
Check point
Signal level
Switch mode
HP/PE Sensor
J11 / Pin 1 and 2
Less than 0.7V
Off
• Out of CR home position
• No paper
More than 2.4V
On
• Within CR home position
• Detect the paper
Thermistor
(THM)
TH1 (on the Head
driver board)
—
10K (at 25°C)
Summary of Contents for ME100
Page 1: ...EPSON StylusCX1500 ME100 Scanner Printer Copier SEOT04 006 SERVICE MANUAL ...
Page 8: ...C H A P T E R PRODUCTDESCRIPTION ...
Page 29: ...C H A P T E R OPERATINGPRINCIPLES ...
Page 47: ...C H A P T E R TROUBLESHOOTING ...
Page 72: ...C H A P T E R DISASSEMBLYANDASSEMBLY ...
Page 110: ...C H A P T E R ADJUSTMENT ...
Page 115: ...C H A P T E R MAINTENANCE ...
Page 121: ...C H A P T E R APPENDIX ...