Brother FAX1960C Service Manual page 280

* 1
The "HK" is always displayed even on models not equipped with a handset.
*
2
The "LK" is always displayed even on models not equipped with a high yield ink cartridge sensor.
(2) Change the detecting conditions (e.g., open the upper jam clear cover or insert paper through the
registration sensor or remove the ink cartridges), and then check that the indication on the LCD
changes according to the sensor states.
(3) To stop this operation and return the machine to the initial stage of the maintenance mode, press
the Stop/Exit key.
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