HP Color LaserJet 8500 Service Manual - Page 116
Cleaning the density sensor, To clean the density sensor and, erase lamp
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Cleaning the density sensor Clean the density sensor after replacing the imaging drum and when printed colors are inaccurate. To clean the density sensor and erase lamp 1 Open the right upper door. 2 On the inside of the door, locate the density sensor and the density sensor brush. Use the brush to brush off toner particles from the density sensor and the erase lamp. Note You can also use a hand wipe to clean the density sensor. To prevent scratches on the sensor, do not use any paper products, such as tissue or paper towels, to clean the sensor. 3 Replace the brush. 4 Close the right upper door. 114 Chapter 4 - Printer maintenance EN
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114
Chapter 4 - Printer maintenance
EN
Cleaning the density
sensor
Clean the density sensor after replacing
the imaging drum and when printed
colors are inaccurate.
To clean the density sensor and
erase lamp
1
Open the right upper door.
2
On the inside of the door, locate the
density sensor and the density
sensor brush. Use the brush to
brush off toner particles from the
density sensor and the erase lamp.
Note
You can also use a hand wipe to clean
the density sensor. To prevent scratches
on the sensor, do not use any paper
products, such as tissue or paper towels,
to clean the sensor.
3
Replace the brush.
4
Close the right upper door.