244 Maintenance
Cleaning the Printer
This section describes how to clean the printer in order to maintain it in good condition and print clean printouts all
the time.
This section includes:
• "Cleaning Inside the Printer" on page 244
• "Cleaning the Color Toner Density (CTD) Sensor" on page 244
Cleaning Inside the Printer
Cleaning the Color Toner Density (CTD) Sensor
Clean the Color Toner Density (CTD) sensor only when an alert for the CTD sensor is shown on the Printer Status
window or operator panel.
1 Turn off the printer and disconnect the power cord.
IMPORTANT:
• If the optional hard disk unit is not installed on your printer, note that the data in the memory are cleared when the printer
is turned off.
2 Push down the latch to open the rear cover.
• When cleaning this product, use the designated cleaning materials exclusive to it. Other cleaning materials may
result in poor performance of the product. Never use aerosol cleaners to avoid catching fire and explosion.
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