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3. PERIODICAL MIANTENANCE ITEMS
Field Service Ver. 2.0 Jul. 2009
28
MAINTENANCE
3.5
Concept of parts life
3.5.1
Life value of consumables and parts
• The life counter value of each consumables and parts is available from [Service Mode]
o
[Counter]
o
[Life].
• Life specification value means an actual life terminated when prints are made under the
conditions as defined in the next section, “Conditions for life specifications values.”
The actual life may vary greatly depending on how the machine has been used and other
factors.
See P.29
• “M” refers to the rotation time of each unit.
Description
Life value
(Specification
value)
Max. life
value
Waste toner
box
The waste toner full sensor detects the amount of toner
accumulated in the waste toner box and sends a signal
that determines the end of the waste toner box life.
48,000 prints
*1,2
–
Fusing unit
When the number of printed pages *4 reaches the set
life value shown on the right, the end of unit life is
detected.
Rotation time for the fusing unit is also counted for con-
trol’s sake, but not used for detecting life.
600,000
counts
615,000
counts *3
Transfer
roller unit
When the number of printed pages *4 reaches the set
life value shown on the right, the end of unit life is
detected.
600,000
counts
615,000
counts *3
(printable)
Transfer belt
unit
Number of prints *4 and rotation time of the transfer belt
are counted, and detected when one of those two
reaches to the life value shown on the right.
600,000
counts/
32,638 M
615,000
counts *3/
33,333 M *3
Ozone filter
Rotation time of the black photo conductor is counted,
and detected when it reaches to the set life value shown
on the right.
* The PC drum rotation is calculated based on the dis-
tance the PC drum has run.
10,302 M
10,750 M
(printable)
Toner filter
Number of prints *4 for color printing and black printing
are counted, and detected when one of those two
reaches to the set life value shown on the right.
For the life counter, value based on the calculation
below is displayed.
Value (1) or (2) below whichever is larger than the other
one
(1) Number of prints for black printing
(2) Number of prints for color printing
y
150,000 x
300,000
Color: 150,000
counts
Bk: 300,000
counts
Color: 160,000
counts
Bk: 315,000
counts
(printable)
Imaging
unit/Y,M,C
Rotation time of the PC drum and number of prints *4
are counted, and detected when one of those values
reaches to the set life value shown on the right.
* The PC drum rotation is calculated based on the dis-
tance the PC drum has run.
150,000
counts/
5,180 M
160,000
counts *3/
5,525 M *3
Service Manual Y110571-1
Содержание d-color MF651
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