Other; Troubleshooting - Panasonic RK-T25 Operating Instructions Manual

-4 OTHER
Appendix
a . Troubleshooting
•Check the points below before calling in a serviceman.
Symptom
Cause
Remedy/check
Reference
page
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
The plug of the connecting cord of the
Ni-Cd Battery Pack is not correctly
connected.
Correctly connect the plug of the
connecting cord.
8 - 1 0
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
A C Adaptor plug has not been
disconnected from main unit when
power supply has been switched over
to batteries.
Disconnect AC Adaptor plug from
External Power Input Jack.
8 - 1 0
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
Disconnected AC Adaptor plug. Connect plug properly. 8 - 1 0
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
POWER Switch on " O F F " . Set the POWER Switch to " O N " .
11
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
The Automatic Power " O F F "
Function has operated.
Turn " O F F " the POWER Switch then
turn it " O N " again.
11
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
External Mode.
Put the unit in the TPWR or L/L Mode. 25
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
The LCD Contrast Adjuster is set to
low contrast.
Adjust the setting of the LCD Contrast
Adjuster.
No operation
even when keys
are pressed.
Nothing appears
on the LCD
Display.
The battery has run down after a very
short period of use, even though it was
correctly charged.
Replace the battery pack with a new
one. (optional)
8 - 1 0
Unit does not
print correctly,
or printing is
blurred.
Flashing LCD Display (battery has
worn out).
Recharge the battery.
10
Unit does not
print correctly,
or printing is
blurred.
Paper Release Lever is in Release
position.
Push lever to Lock position. 17
Unit does not
print correctly,
or printing is
blurred.
End of Ribbon Cassette or Correction
Tape.
Replace with new Ribbon Cassette or
Correction Tape.
14, 15
No deletion even
with <3 Key;
blurred
characters.
Correction Tape is not installed. Install Correction Tape.
16
Buzzer sounds
during typing
and typing is
disabled (keys
do not function).
Carriage at right margin.
Press the RETURN Key and move
carriage to next line.
Buzzer sounds
during typing
and typing is
disabled (keys
do not function).
Carriage at right margin.
Press the MAR REL Key and continue
printing on same line.
22
Buzzer sounds
during typing
and typing is
disabled (keys
do not function).
Text Memory is full.
Re-edit the data or cancel the Text
Memory Mode.
40
The main unit
does not operate
properly or the
mechanism error
buzzer sounds
continuously.
Noise on the AC line or static
electricity may prevent the main unit
from operating properly.
All Reset
Turn the POWER Switch " O F F " once,
then back " O N " again.
If the unit still does not function
properly, press the TAB CLR Key and
<x] Key simultaneously while holding
down the CODE Key.
At this time the Text Memory, Margin,
Tab, etc., are all cleared.