Maintenance Manual – SC Cutting Plotter
36 AP-74030, Rev / B
5.3. Diagnostics with optional LCD keyboard.
To have access to the complete range of specialised diagnostics, an optional keyboard
With LCD from the MUTOH XP-C series is required. The partnumber for the keyboard is EY-6200-50010.
To enter the specialised diagnostics mode, proceed as follows :
Step 1 : Open the PC-board box from the back of the machine. (On SC-550 remove the right cover.)
Step 2 : On the terminal board (board to the left in the box when you are behind the machine) you must
plug in the optional keyboard in connector J513. (On SC-550 terminal board is board on top of
mainboard.)
Step 3 : Depending on the type of keyboard, power ON the machine with the following buttons pressed
simultaneously :
· New style keyboard : [PAGE] and [ORIGIN]
(P/Nr : EY-6200-50100)
· Old style keyboard : 0 and Decimal (.) and Minus (-)
(P/Nr : EY-5005-50100)
Step 4 : The following screen appears on the display :
** DIAGNOSTICS **
** MODE **
TYPE : SC - xxx
Step 5 : If you are planning to make a lot of tests and / or adjustments in the diagnostic mode, you can
avoid above ‘power on’ procedure as follows :
· On the Main PC board (board in the middle), look for the DIP switches (in front of LED’s)
and put switch 1 in the ON position.
· Now the unit will always power on in diagnostic mode until you change switch 1 to the OFF
position again.
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