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4.8 Operational Check of Control Panel PCB (Function code 13)
<Function>
This function allows you to check the control panel PCB for normal operation.
<Operating Procedure>
(1) Press the [1] and [3] keys in this order in the initial stage of the maintenance mode.
The "00" will appear on the LCD.
(2) Press the keys and buttons in the order designated in the illustration shown below.
The LCD shows the corresponding number in decimal notation each time a key or button
is pressed. Check that the displayed number is correct by referring to the illustration
below.
If a key or button is pressed out of order, the machine beeps and displays the "INVALID
OPERATE" on the LCD. To return to the status ready to accept key & button entry for
operational check, press the [Stop/Exit] button.
(3) After the last number key or button is pressed, the machine beeps for one second and
returns to the initial stage of the maintenance mode.
To terminate this operation, press the [Stop/Exit] button. The machine returns to the
initial stage of the maintenance mode.
■ DCP8080DN/8085DN
Fig. 7-6
■ MFC8480DN/8880DN/8890DW
Fig. 7-7
11 22
33
44 88
77
99 00
AA BB CC
DD EE FF
GG HH II
JJ KK LL
MM NN OO PP QQ RR
SS
TT
66
55
11 22 33 44 55 66 77
88 99 00 AA BB CC DD
EE FF GG HH II JJ KK
LL MM NN OO PP QQ
RR
SS TT
UU YY
ZZ [[
\\ ]] ^^
aa bb cc
pp
qq
dd ee ff
gg
jj kk ll mm nn oo
hh ii
XX
WW
VV