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Chapter 2
Procedures
Product disassembly and assembly procedures for module replacement
Precautions before Disassembly and Assembly
1. Try to avoid disassembly, assembly and unnecessary adjustments on the MP-4000 TH parts
that are working properly;
2. Before turning on the MP-4000 TH, make sure that all cables are properly connected;
3. During the maintenance procedure, do not let loose screws and other components inside the
printer;
4. When handling printed circuit boards, do not use gloves that can generate static electricity.
Use an anti-static wrist-strap connected to an anti-static mat or to a grounding system
adequate for that purpose;
5. Do not place the printed circuit board over conductive surfaces. Use an anti-static bag or an
anti-static mat connected to a grounding system adequate to that purpose;
6. When assembling or disassembling the MP-4000 TH, verify the cables for visible damage
and reconnect them in normal position, noting the proper polarization.
7. The steps below will show how to disassemble the product; the reassembly is done in the
same way, but backwards.
Removing the Control Board Set
To remove the control board set,
remove the screw that holds it to the
printer. The screw is illustrated in the
picture.
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