Replacing The Rom Chips - GRAPHTEC CUTTING PRO FC3100-60 Service Manual

4.2.20 Replacing the ROM Chips

(1) Check that the power cord is disconnected from the electrical outlet.
(2) Remove the front guide (see Subsection 4.1.2).
(3) As shown in Fig.4-93, remove both ROM chips using a flat blade screwdriver.
* Do not insert the screwdriver beneath the IC socket.
* Be careful not to damage the circuit board.
(4) When mounting the ROM chips, pay attention to the following points.
• Never touch the pins of the ROM chips.
• Check the position, orientation, model name, specifications, version number, and E/O distinction of
the ROM chips.
• Securely mount each chip in its IC socket as shown in Fig.4-94, taking care not to bend any of its
pins.
(5) Connect the power cord to the electrical socket.
(6) While holding down the [ ⇑ ] POSITION key, turn on plotter.
* Check that the message below appears on the display panel.
Fig. 4-93
Fig. 4-94
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FC3100-60 Service Manual
P/N53802-031T Rev. A