Placement Of Ccd Unit In Position For Transportation (Maintenance Mode 06); Adf Performance Test (Maintenance Mode 08); Placement Of Ccd Unit In Position For Transportation; Adf* Performance Test - Brother MFC8420 Service Manual

3.3

Placement of CCD Unit in Position for Transportation (Maintenance mode 06)

< Function >
This function is to move the CCD unit in position for transportation located at the right end.
When you fix the FAX equipment and check its operation, you need to perform this function
right before packing and shipping it.
NOTE:
Please instruct end users to perform this function if possible before packing and shipping
their FAX equipment to a sales agent or a service dealer for the purpose of repair. (For the
procedure to allow users to perform maintenance modes, please
< Operating Procedure >
(1) Press the 0 and 6 keys in this order in the initial stage of the maintenance mode.
The CCD unit moves to the designated position for transportation located at the right
end. The "MAINTENANCE 06" is displayed until the CCD unit is placed in position.
When the CCD unit is placed in the position, the "PLEASE SCAN LOCK" appears on
the LCD.
(2) Open the document cover, and lock the scanner lock lever at the rear left of the scanner
unit. When the scanner lock lever is locked, the "SCAN LOCKED" appears.
To terminate this operation, press the Stop button. The machine returns to the initial
stage of the maintenance mode.
3.4

ADF Performance Test (Maintenance mode 08)

< Function >
The machine 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. (Allowable up to the ADF capacity.)
The "DOC. READY" will appear on the LCD.
(2) Press the 0 and 8 keys in this order.
While counting the documents, the machine feeds them in and out, displaying the
current count on the LCD as shown below.
ADF CHECK P .01
(3) To return the machine to the initial stage of the maintenance mode, press the Stop
button.
Current count (1st page in this example)
7-7
MFC-8420/8820D/8820DN, DCP-8020/8025D/8025DN
see P.7-3.)
SERVICE MANUAL