LASER CLASS 730i/720i/710 Chapter 4: Maintenance and Service
4-2
Level
Location
When
Service
Fixing entrance guide
When marks, marks on back of recording paper,
technician
irregular/smudged black vertical line, paper jam,
or wrinkles in copied or received images.
Fixing film
When marks at intervals of 75 mm or poor fixing
in printed-out.
Fixing pressure roller
When marks on back of recording paper at
intervals of 66 mm , poor fixing, paper jam, or
wrinkles in printed-out.
1.3 Periodic Inspection
None
1.4 Periodic Replacement Parts
Parts name
Parts No.
Life
Separation Roller (Upper)
HB1-5284
50,000 sheets
Separation Roller (Lower)
HB1-5298
50,000 sheets
1.5 Adjustment Items
Checking the Nip Width of the Pressure Roller
1.6 General Tools
Tool
Use
Phillips screwdriver
Removing/inserting screws
Flat bladed screwdriver
Removing/inserting screws
Precision Phillips screwdriver
Removing/inserting screws
Precision flat bladed screwdriver
Removing plastic tabs
Tweezers
Removing/inserting coil springs
Pliers, needle nose
Driving retaining ring
Lint-free paper
Clean transfer charging roller, fixing film
Isopropyl alcohol
Clean fixing film, fixing entrance guide, fixing pressure
roller, fixing eject roller, fixing eject guide, static charge
eliminator, etc.
1.7 Special Tools
Tool
Use
Part No.
Grease (MOLYKOTE EM-50L)
Apply to specified parts
HY9-0007
Grease (IF-20)
Apply to specified parts
CK-8006
IC-Removing Tool (24-64 pin)
Remove the main ROM
HY9-0022
on the SCNT board
Summary of Contents for LASER CLASS 730i
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Page 10: ...Chapter 1 General Description manuals4you com manuals4you com...
Page 41: ...Chapter 2 Technical Reference...
Page 62: ...Chapter 3 Assembly and Disassembly manuals4you com manuals4you com...
Page 83: ...Chapter 4 Maintenance and Service...
Page 208: ...Chapter 5 Appendix manuals4you com manuals4you com...
Page 239: ...LASER CLASS 730i 720i 710 Chapter 5 Appendix 5 31 Figure 5 32 Handset Installation 2...
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Page 345: ...2 31 LASER CLASS 730i 720i 710 2 PARTS LAYOUT PARTS LIST FIGURE 16 DOCUMENT TRAY ASS Y 1...
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