Instruction manual
-5.19-
5-1-13. IEEE1394 PCB, Main PCB, HDC-4 Head PCB assy., HDC-2 Head PCB assy.
and Power PCB
[Tools to be used]
• Phillips screwdriver (No.2 for M3 to M5)
• Box wrench (opposite side distance: 5.5 mm)
[Disassembling procedure]
<IEEE1394 PCB>
1) Turn OFF the power supply switch, remove the electrical unit cover.
2) Remove the screw (B3 x 6Bk) and remove the IEEE1394 PCB together with connection
board.
Follow the procedure given below to replace the main PCB.
1) Remove all of the cables connected to the main PCB.
2) Remove the screw (P3 x 8SMW, SQ-30, the screw for the pararell connector) and remove
the main PCB.
Follow the procedure given below to replace the power PCB.
1) Remove the screw (B3 x 6Bk, P3 x 6SMW) and remove the main PCB BKT.
2) Remove all of the cables connected to the power PCB.
3) Remove the screw (P3 x 8SMW) and remove the poser PCB.
to Cover sensor assy.
to Maintenance cover sensor assy.
to Y-axis motor assy.
to Y-axis motor assy.
to X-motor junction cable assy.
to X-motor junction cable assy.
to X-origin sensor assy.
to HDC-4Head PCB assy. CN1
to HDC-2Head PCB assy. CN1
to IO PCB assy. CN1
to Keyboard PCB assy. CN2
to Power PCB assy. CN2
to Ink sensor PCB assy. CN17
to Ink sensor PCB assy. CN17
B3 x 6Bk
P3 x 8SMW
P3 x 8SMW
INK FPC1 assy.
INK FPC2 assy.
Electrical unit cover
I/F connection board assy.
1394 PCB assy.
Spacer