TROUBLESHOOTING
DP-1VR Symptoms
Causes
Handling
The state of the DP-
1VR changes to that
immediately after
power-on during
printing
The printing looks
faint.
Manganese batteries are used.
Exfoliation or swelling of the
battery terminals
An AC adapter other than the one
specified is used.
Use charged AA-size nickel-
hydride batteries or AA-size
alkaline batteries.
Remove exfoliation or
swelling from the battery
terminals.
Use only one of the
dedicated AC adapters
listed on page 54.
Power is supplied from the DP-
1VR to the connected measuring
device.
If the AC adapter input voltage (AC
power supply line) is low, when the
actual voltage is lower than the
prescribed voltage by 5% or more
The AC adapter input is
simultaneously used for a high-
voltage, large-current device.
The printer head is dirty.
Power cannot be supplied
from the DP-1VR to a
measuring device that uses
an external power supply.
Measure the voltage of the
power supply line and check
if the voltage is appropriate.
Connect the AC adapter to a
different power supply line.
Clean the printer head with
a cotton swab, etc.
The [PRINTER ON/OFF] switch is
set to OFF.
Press the switch once more
to turn the DP-1VR on.
The printer does not
work.
A foreign object has gotten inside
the printer or a paper jam has
occurred.
Remove the foreign object
or paper jam with tweezers.
When the interval time is set
to 0.25 s or 1 s, the printer is
automatically switched off.
The mode is the timer input mode
and the interval time setting is
either 0.25 s or 1 s.
The AC adapter input is
simultaneously used for a high-
voltage, large-current device.
Connect the AC adapter to a
different power supply line.
Miscounting by the
measuring device
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