Installation and Configuration
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Panel
LaserJet 4P/4MP Control Panel Display and Lights
The printer’s control panel has a 16 character backlit LCD
message display area and four LED status indicator lights. A
complete list of display panel messages is in Chapter 7. The
following describes the functions of the four lights.
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Ready Light
ON STEADY: There are no error conditions detected. The printer
can only receive a print job when this light as well as the On Line
light are on.
BLINKING: The printer is receiving or processing data. Do not
take off line or switch power off until the light stops blinking.
OFF: The printer is not ready to print. Check the display panel for
a message.
On Line Light
ON STEADY: The printer is ready to receive and process data,
BLINKING: The printer is transitioning from the On Line to Off Line
status.
OFF: The printer is off line (not ready to receive data). Other
control panel keys can now be accessed.
Form Feed Light
ON STEADY: There is unprinted data still in the print buffer.
Press - to take the printer off line, then press
~ to print the remaining data,
BLINKING: Buffered data is being printed,
OFF: No buffered data is in the printer.
EconoMode Light
ON STEADY: EconoMode is on. This reduces the amount of
toner used on the page. NOTE: Software can override this
selection, even while the EconoMode light is ON.
OFF: EconoMode is off. To turn EconoMode on, press -
to take the printer off line, then hold down_ while pressing
the EconoMode key.
3-13
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