MX-M503N AR-PF1 21 – 1
MX-M503N
Service Manual
[21] AR-PF1
1. Unpacking
A. Parts included
2. Installation
A. Turn off the power switches of the main unit.
1) Turn the power switch located on the operation panel to the
"OFF" position.
2) After checking that the operation panel has gone out, open the
front cabinet and turn the main power switch to the "OFF" posi-
tion.
3) Remove the power plug of the main unit from the outlet.
B. Pull out the control PWB.
• If cables are connected to the control PWB unit, remove all
cables.
1) Push the location indicated in the illustration to unlock, and
remove the ozone filter cover from the right cabinet rear.
2) Remove the screw from the right cabinet rear.
3) Remove the right cabinet rear.
4) Remove the two screws from the control PWB unit.
• If the fax box unit is installed, carry out steps 5), 6), and
7) additionally.
5) Pull out the control PWB unit and remove the snap band.
6) Remove the interface cable from the frame.
7) Remove the connector.
8) Pull out and remove the control PWB unit.
C. Installation of the barcode font ROM PWB
Install the barcode font ROM PWB to the barcode connector.
* Check to confirm that the silver push lever extends out when the
PWB is installed.
No. Packed part names Quantity
1 CD-ROM 1
2 Operation Manual 1
AR-PF1 barcode font ROM PWB
12
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