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Service Req Cffff/Service Req Exxx
A controller error or a print engine error has been detected. Turn
off the printer. Wait at least 5 seconds, then turn it back on. If the
error message still appears, write down the error number listed
on the LCD panel (Cffff/Exxx), turn off the printer, unplug the
power cord, then contact a qualified service representative.
Sleep
The printer is currently in the power-save mode. This mode is
canceled when the printer receives print data or the Reset button
is pressed. In this mode, the remaining amount of the toner
cartridge for each color is displayed in seven levels.
TonerCart Error uuuu
A read/write error has occurred for the indicated toner cartridges
(The letters C, M, Y, or K appear in place of uuuu and indicate the
colors Cyan, Magenta, Yellow, and Black respectively.). Remove
the toner cartridges and reinsert them. If that fails to clear the
error, replace the toner cartridges.
To install the indicated cartridges. See "Toner Cartridge" on page
312.
Unable Clear Error
The printer cannot clear an error message because the error status
still remains. Try solving the problem again.
uuuu Toner Low
This message indicates that the toner cartridge for the indicated
color is near the end of its service life. Prepare a new toner
cartridge.
Warming Up
262
Using the Control Panel
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