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7 Close the lower front door, and then close the upper front door.
Replacing a toner cartridge
When 88 Replace <color> cartridge, 88 <color> cartridge nearly low, or 88 <color>
cartridge low appears on the display, or when print becomes faded, try to extend the life of the specified
cartridge.
1 Open the upper front door, and then open the lower front door.
Warning—Potential Damage: To avoid overexposing the photoconductors, do not leave the front doors open
for more than 10 minutes.
Maintaining the printer
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