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Troubleshooting
4.7.8
Error Codes
4-8
2. Simultaneously press and hold the ADV and printer ON buttons for 4
seconds. If these buttons are not pressed at the same time, two audible beeps
will sound and the N-20PA either advances the paper or turns on (or off) the
printer, depending on which button-press is first sensed. If the buttons are
pressed at the same time, a single audible beep will sound, Pr SEt is
displayed, and the printer prints one of the following 6 lines:
PRINTING LIGHTER
PRINTING LIGHT
PRINTING NORMAL
PRINTING DARK
PRINTING DARKER
PRINTING DARKEST
Note: The parenthetic line description is not printed. Button presses are
ignored whenever the printer is printing.
1.
Press the ADV button to change the darkness setting. The printer prints a
line with each button press, and the setting increments from lighter to
darkest and then wraps back to lighter.
2.
Allow the N-20PA to switch off (about 30 seconds). The last printer
darkness setting is remembered when the N-20PA is switched back on.
Test this by repeating the procedure and skipping step 3.
If a failure is detected during the Power-On Self-Test or during any performance
test, the error message (Err) appears in the Oxygen Saturation display and a
3-digit error code number appears in the Pulse Rate display.
If an error message appears, record the error code number. Match the number to
the description in the following table, and contact Mallinckrodt's Technical
Services Department or your local Mallinckrodt representative for assistance.
The first digit of the error code is the category.
Internal tests are performed in the order listed in the table. The first error
condition encountered is the one displayed.
(10% lighter than normal)
(5% lighter than normal)
(normal darkness)
(5% darker than normal)
(10% darker than normal)
(15% darker than normal)
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