Adf Performance Test (Maintenance Mode 08) - Brother MFC-J3520 Service Manual

1.3.4 ADF Performance Test (Maintenance mode 08)

< Function >
The function counts the documents fed by the automatic document feeder (ADF) and
displays the count on the LCD for checking the ADF performance.
< Operating Procedure >
(1) Set documents on the ADF unit in the initial stage of the maintenance mode.
(2) Press the 0 and 8 keys in this order.
The machine feeds the documents in and out while counting them and displaying
" ADF CHK P.** " on the LCD. (** shows the current count.)
(3) Press the X key to return the machine to the initial stage of the maintenance mode.
Notes: - If the ADF cover is open, the machine displays "ADF COVER OPEN" on the
LCD and returns to the initial stage of the maintenance mode.
- If no document is set on the ADF, the machine displays "NO DOCUMENT" on
the LCD and returns to the initial stage of the maintenance mode.
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