Samsung SF4500, Руководство по обслуживанию

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Samsung Electronics 4-11
Disassembly
4-6-3 Roll Pinch
1. Before you disassemble the roll pinch, you
should remove:
– OPE Unit (see page 4-9)
2. Remove the four screws securing the OPE unit.
3. Turn the upper scan frame of the OPE unit over.
4. Remove the three screws and take out the spring
pinch. Then take out the roll pinch.
4-6-4 OPE PBA
1. Before you disassemble the OPE PBA, you
should remove:
– OPE Unit (see page 4-9)
2. Remove the four screws securing the OPE unit.
3. Remove the nine screws and take out the PBA
and LCD.
Notes:
• Do not turn the OPE unit upside down after you
remove the screws securing the PBA. Keys and
rubber contacts may be separated and easily lost.
• When you reassemble the OPE unit, make sure
the keys are in correct position.
• When you reassemble the PBA, secure the screws
according in the order of the number printed on
the PBA.
• After reassembling, operate the machine to make
sure it works properly.
• After reassembling, make sure the LCD is not
blocked.
Upper scan
frame
Spring pinch
Roll pinch