142 Removal and replacement C7085-90921
Consumable assemblies
The user replaces consumable assemblies as part of periodic maintenance. Chapter 4 explains the
maintenance procedures.
Note The printer tracks the amount of use on some of its user-replaceable parts by keeping a page count.
Swapping consumable assemblies between printers might cause a misrepresentation of consumable
assembly life values and is not recommended.
Table 6-2 Approximate replacement interval for consumable items
Consumable Printer message Page count Approximate time
period
1
1. Approximate lives are based on 2,000 pages per month.
To install
Black (K) toner
cartridge
TONER K LOW or
TONER K OUT
9,000 pages
2
2. The approximate average A4/letter-size page count is based on 5 percent coverage of individual toner colors. Page
counts are only estimations; usage conditions and print patterns can cause results to vary.
4.5 months See page 86.
Cyan (C) toner
cartridge
TONER C LOW or
TONER C OUT
6,000 pages
2
3 months See page 86.
Magenta (M)
toner cartridge
TONER M LOW or
TONER M OUT
6,000 pages
2
3 months See page 86.
Yellow (Y) toner
cartridge
TONER Y LOW or
TONER Y OUT
6,000 pages
2
3 months See page 86.
Drum kit 4500:
DRUM KIT LOW or
DRUM KIT OUT
REPLACE DRUM KIT
4550:
DRUM KIT LOW
ORDER DRUM KIT
DRUM KIT OUT
REPLACE DRUM KIT
25,000 black
and white only
pages, or 6,250
color pages
12.5 months for black
and white only pages,
or 3 months for color
pages
See page 88.
Transfer kit 4500:
TRANSFER KIT LOW or
TRANSFER KIT OUT
REPLACE KIT
4550:
TRANSFER KIT LOW
ORDER TRANSFER KIT
TRANSFER KIT OUT
REPLACE KIT
100,000 black
and white only
pages, or
25,000 color
pages
50 months for black
and white only pages,
or 12.5 months for
color pages
See page 89.
Fuser kit 4500:
FUSER KIT LOW or
FUSER KIT OUT
REPLACE KIT
4550:
FUSER KIT LOW
ORDER FUSER KIT
FUSER KIT OUT
REPLACE KIT
100,000 black
and white only
pages, or
50,000 color
pages
50 months for black
and white only pages,
or 25 months for color
pages
See page 92.
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