Unisys EFP9800 manual Checking Micr Noise Level

Diagnostics and Print Tests

Checking MICR Noise Level

This test checks the extraneous signals picked up by the MICR check reader and prints a reading indicating the relative level of the noise. If the noise level is printed as a letter lower than F (A-E), then the MICR check reader will generally read the MICR characters without problems. However, if the letter printed is the letter F or above, there may be problems when reading the MICR characters, and you may need to call a service representative.

Note: The MICR check reader feature has been factory adjusted for a normal operating environment with a host computer. However, additional devices, such as CRT monitors or large metal surfaces near the printer, can affect the printer’s magnetic field, causing intermittent reading errors when the MICR check reader is in operation.

Caution

The DIP switches are set at the factory to predetermined settings. Change the settings carefully to avoid changing other functions.

1.Turn the printer off.

2.Turn the printer to the back to access the DIP switches and write down the current switch settings.

3.Set the DIP switches to the following settings:

Switch	Switch	Switch	Switch	Switch	Switch	Switch	Switch
1	2	3	4	5	6	7	8
ON	OFF	ON	OFF	OFF	OFF	ON	OFF

4.Turn the printer back on to begin the test.

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