Alfa Network Color Tester, Техническое руководство

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Technical Manual
– Color Tester
6
ELECTRIC REPAIRING OPERATIONS EN
3.6. REPLACING THE SCCB BOARD

make sure the machine is disconnected from the
power supply as described in para. 2.0.3.

Remove the rear panel as described in paragraph
2.1.1. to reach the electric panels, then remove the
internal protections as described in paragraph 2.1.2.
Find the SCCB board to be replaced by referring to what is
indicated in paragraphs 2.1.2.2 and 2.1.2.3, then proceed
as follows.

Disconnect the power supply and signal cables from
the board.

Remove the board by releasing it from the supports (1)
on its corners.

Insert a new board on the supports having care not to
damage its components.
WARNING: Use a board already programmed with the
function of the replaced board. To reprogramme the board
refer to chapter 4.

Restore the previously disconnected connections
according to the wiring diagram.
MAKE SURE THAT THE TERMINATION JUMPER ON
CN7 (2) IS NOT PRESENT ON THE NEW BOARD.
3.7. REPLACING THE PRINTER
If the problems of label printing can not be solved with the ordinary maintenance operations, it is necessary to replace
the printer.
To replace the printer proceed as follows:

disconnect connector (1) located between the PC unit
and the printer. It is easy to see it on the machine left
side door.

Loosen the 4 M4X12 socket head D4 washer
+ D5 washer for screw (1), having care not to damage
the wiring fixed to the upper left screw of the printer
support.

Position the new printer on the relevant support using
the just removed 4 M4X12 socket head screws + D4
and D5 washers.

Pay attention to reposition the wiring in the suitable
retainer on the support upper left corner.

Reconnect all connectors of the wirings between
printer and PC unit.