Printer response problems
The following table lists common printer response problems and suggested solutions for resolving them.
Printer response problems
No display message
Cause
The printer on/off button is in the off position.
The printer memory DIMMs (available on the HP Color LaserJet 3700 series printer only) are defective or installed incorrectly.
The power cord is not firmly plugged into both the printer and the power receptacle.
The line voltage is incorrect for the printer power configuration.
Solution
Verify that the printer is on. Fans may run while the printer is in Standby mode (off).
Verify that the printer memory DIMMs are correctly installed and are not defective.
Turn off the printer and then disconnect and reconnect the power cord. Turn the printer back on.
Connect the printer to a proper voltage source, as specified on the Power Rating Label on the back of the printer.
The power cord is damaged or excessively worn.
The power source receptacle is not working correctly.
Replace the power cord.
Connect the printer to a different power receptacle.
Control panel display is hard to read 
Cause
The contrast is too high or too low for the office environment.
Printer is on, but nothing prints
Solution
Adjust the contrast on the control panel display. See Display brightness.
Cause
The printer Ready indicator light is not lit.
Solution
Press STOP to return the printer to the Ready state.
The top cover is not closed properly. The Data indicator light is flashing.
REPLACE <COLOR> CARTRIDGE appears on the printer display.
A printer message other than Ready appears on the printer control panel.
Close the top cover firmly.
The printer is probably still receiving data. Wait for the Data indicator to stop flashing.
Replace the print cartridge specified on the printer display.
See Control panel messages.
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