LASER CLASS 730i/720i/710 Chapter 3: Assembly and Disassembly
3-2
1.2 General Cautions
Damage due to electrostatic discharge
This machine contains contact sensors and printed circuit boards that use ROMs, RAMs,
custom chips and other electronic components that are vulnerable to damage by
electrostatic discharge.
Be careful to avoid any damage from electrostatic discharge when conducting service that
requires disassembly.
Static electricity warning
Electrostatic discharge can destroy electronic components and alter electrical
characteristics. Plastic tools and even your hands, if they are not earthed,
contain sufficient static electricity to damage electronic components.
The following materials may be used as countermeasures against electrostatic discharge:
• an earthed, conductive mat
• an earthed wrist-strap
• crocodile clips for the purpose of grounding metallic parts of the main unit
For service conducted on the user’s premises, etc., where such countermeasure materials are
not available, the following countermeasures may be employed.
• Use anti-static bags for the storage and carrying of PCBs and electrical elements.
• Avoid silk and polyester clothing and leather soled shoes, favouring instead cotton clothes
and rubber soled shoes.
• Avoid working in a carpeted area.
• Before beginning the work, touch the grounded earth terminals of the main unit in order to
discharge any static electricity.
• Use a wrist-strap and earth the metal parts of the main unit.
• PCBs and electrical elements must lifted around the edges and their terminals must not be
touched.
Caution against electrical shock while working with power on
In cases where service must be carried out with power on, via a connected
power cable, be sure to wear an anti-static wrist-strap or other earth, in order
to prevent an electrical path being created through you body.
Application of grease
Grease must not be applied to any parts that are not so designated. Also, never use any other
than the specified type of grease. Otherwise, plastic parts and rubber parts may melt or be
otherwise deformed.
Attaching and removing cables
Attaching and removing cables with the power still on may cause breakdowns and should
be avoided. In particular, flat cables are likely to cause short circuit.
When attaching or removing cables, always be sure to turn the power off.
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Содержание LASER CLASS 730i
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Страница 83: ...Chapter 4 Maintenance and Service...
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Страница 239: ...LASER CLASS 730i 720i 710 Chapter 5 Appendix 5 31 Figure 5 32 Handset Installation 2...
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Страница 345: ...2 31 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 16 DOCUMENT TRAY ASS Y 1...
Страница 349: ...2 35 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 18 READER ASS Y 1 2 See FIGURE 22 for disassembly 4 3...
Страница 363: ...2 49 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 25 PRINTER DRIVE ASS Y 1 3 2 Lubrication See page 4 6...
Страница 375: ...2 61 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST 3 1 2 10 8 5 4 7 9 11 6 FIGURE 31 CASSETTE 250...
Страница 379: ...2 65 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 33 NCU BOARD ASS Y T1 T51...
Страница 381: ...2 67 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 34 ECU BOARD ASS Y 2 1 IC901...
Страница 383: ...2 69 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 35 EPU BOARD ASS Y 4 2 3 1 4...
Страница 385: ...2 71 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 36 PCL NIC UNIT 1 5 5 5 IC2 3 2 4...
Страница 387: ...2 73 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 37 FXL CASSETTE FEEDER 6 LTR 500 PACKAGE CONTENTS 1 2...
Страница 389: ...2 75 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 38 CASSETTE FEEDER ASS Y 1 3 1 5 7 6 4 8 9 2 5...
Страница 399: ...2 85 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 43 HANDSET KIT 8 CW PACKAGE CONTENTS 1 3 4 5 2...
Страница 405: ...2 91 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 46 Verification Stamp Unit 1 PACKAGE CONTENTS 1 2...
Страница 407: ...2 93 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 47 Printer Kit III 4 2 5 3 9 8 1 7 6 10 11...
Страница 409: ...2 95 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 48 PCL UNIT 3 2 4 5 IC2 1...
Страница 411: ...2 97 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 49 Network Kit III 4 2 5 3 6 8 1 7...
Страница 415: ...3 1 3 1 3 TOOL LASER CLASS 730i 720i 710 3 TOOL FIGURE 51 TOOLS T2 T1 T3...
Страница 419: ...LASER CLASS 730i 720i 710 4 LUBRICATIONS 4 3 IF 20 Suitable Amount See FIGURE 20 for the disassembly...
Страница 421: ...LASER CLASS 730i 720i 710 4 LUBRICATIONS 4 5 See FIGURE 22 23 for the disassembly IF 20 Suitable Amount...
Страница 423: ...LASER CLASS 730i 720i 710 4 LUBRICATIONS 4 7 See FIGURE 29 for the disassembly MOLYKOTE EM 50L Approx 36mg...
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