Table 3-4 Detector Test Point
Detector Connector
Number
Test Method
(Set Meter to Ohms. Check the
Printer power off.)
Meter Reading
HP Detector
(CN4)
Place one lead on pin 1 and the
other lead on pin 2, and toggle the
detector actuator.
Meter should toggle between
open and short. (LOW: within
CR Home position.)
Front PE Detector
(CN6)
Place one lead on pin 1 and the
other lead on pin 2, and toggle the
detector actuator.
Meter should toggle between
open and short. (HIGH:
paper is installed in the
printer.)
Release Lever Detector
(CN10)
Place one lead on pin 1 and the
other lead on pin 2, and toggle the
detector actuator.
Meter should toggle between
open and short. (HIGH:
Friction Feed mode.)
PG Detector
(CN11)
Place one lead on pin 1 and the
other lead on pin 2, and move the
detector actuator from -0 to 6.
Meter should toggle between
open and short.
(HIGH: PG -1 ~ 3.)
Printhead thermistor Place one lead on pin T and the
other lead on other pin T to check
the resistance.(Refer to Fig.3-2.)
Approx. 14KΩ (at 17°C)
3.1.2 Error
As this printer checks its condition by itself at power-on, when it finds any trouble, it indicates it
with error indication buzzer and LEDs. The error Indications and corresponding remedies are
shown in the table below:
Table 3-5. Error Indications
Error LED Status Buzzer Cause Remedies
Paper out error Paper Out:
Pause:
On
On
***
The printer fails to
load paper.
Set paper to the printer
correctly.
Release lever
error
Pause: ON
-----
The release lever is
set to a wrong
position.
Set the release lever to
the correct position.
Fatal error All LEDs : Blink
The carriage unit gets
into out of control or
power supply voltage
becomes incorrect.
Turn off the printer
once and turn it back
on.
Note: Symbols used in the table represent the following:
“∗” : A beep sounds for approx. 100 ms with the interval of approx. 100ms.
“-“ : A beep sounds for approx. 500 ms with the interval of approx. 100ms.
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