Replacing Wear Items
QL-300 User Guide 321
Toner density is the proportion of area having toner on printable area of 1 page.
When the Replacement Period Is Approaching
When the scheduled replacement of wear items approaches, the following message will appear
and the ATTENTION lamp will blink.
Replace wear items when “Install New...“ appears in the message.
Pressing the HELP button on the control panel will display the replacement procedure. You can
easily replace the wear items according to the guidance. See “Operating the Help Screen” on
page 255.
Print Cartridge (W)
The white print cartridge is for the QL-300s
only.
26,100 linear inches at 20% toner density.
Print quality will decline one year after open-
ing the package.
CMYK printing is possible even if the white
cartridge life has been reached. See “Print-
ing Using the Specified Print Cartridge Only
(Lift Up)” on page 187.
Belt Unit 2,610,000 linear inches at 5% toner density.
2nd Transfer Roller 2,610,000 linear inches at 5% toner density.
The 2nd transfer roller is included in the belt
unit, which is a wear item.
Fuser and Exit Unit 870,000 linear inches.
Waste Toner Box 435,000 linear inches at 5% toner density.
Paper Guide/Feed Unit 5,800,000 linear inches.
Cutter Unit (Unwinder) 1,000,000 cuts.
F0 Roller Unit (Unwinder) 5,800,000 linear inches.
Wear item Approximate service life
Item
Message displayed on the display screen
When the replacement period
approaches When it is time for replacement
Print cartridges
See “Replacing Print Cartridges”
on page 322.
[COLOR]*
1
Print Cartridge Near
End of Life
Install New [COLOR]*
1
Print Car-
tridge
Print Cartridge Life
Please see HELP for details
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