Table 5-1. Motor Resistance; Table 5-2. Sensor Status; Self-Diagnostic Function; Table 5-3. Error Codes - Epson Stylus 800 Service Manual

Stylus 800+ Servios Manual
5.1 OVERVIEW
The Stylus 800+ has a sophisticated, built-in selfdiagnostic function that reduces troubleshooting
time b; identifying failed-components.
The following tables show motor resistance ratings and sensor test points.
Motor
I
CR Motor
PF Motor
Sensor
PE Sensor
HP Sensor

SELF-DIAGNOSTIC FUNCTION

5.2
This section describes the selfdiagnostic function, in which the printer controller automatically
checks the operating conditions of each component. If any abnormality is detected, the printer
displays error message on the control panel. Table 5-3 lists the messages that tell you if service
an
is required.
Error
Paper out
Paper jam
Ink low
Ink end
No ink cartridge
Carriage Error
Waste ink tank overflow
Rev. A

Table 5-1. Motor Resistance

Resistance
phase

Table 5-2. Sensor Status

Signal Level
Test Point
H (5V)
L (GND)
H
L

Table 5-3. Error Codes

Paper Ink End
LED LED
ON
OFF
BLINKS OFF
OFF BLINKS
OFF ON
OFF ON
OFF OFF
OFF ON
Troubleshooting
Remark
At 25° C (77° F)
status
Paper present
No paper (paper end)
At home position (HP)
Away from HP
Pause
Buzzer
LED
OFF 3 short times
OFF 3 short times
- No beeps
OFF 3 short times
OFF 3 short times
OFF 5 tong times
BLINKS 3 short times
5-1