HP 3550 - Manual (Page 192)

Printer response problems
The following table lists common printer response problems and suggested solutions for
resolving them.
Printer response problems
No display message
Cause Solution
The printer on/off button is in the off position. Verify that the printer is on. Fans may run while
the printer is in Standby mode (off).
The printer memory DIMMs (available on the
HP Color LaserJet 3700 series printer only) are
defective or installed incorrectly. Verify that the printer memory DIMMs are
correctly installed and are not defective.
The power cord is not firmly plugged into both
the printer and the power receptacle. Turn off the printer and then disconnect and
reconnect the power cord. Turn the printer back
on.
The line voltage is incorrect for the printer power
configuration. 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. Replace the power cord.
The power source receptacle is not working
correctly. Connect the printer to a different power
receptacle.
Control panel display is hard to read
Cause Solution
The contrast is too high or too low for the office
environment. Adjust the contrast on the control panel display.
See
Display brightness .
Printer is on, but nothing prints
Cause Solution
The printer Ready indicator light is not lit. Press S TOP to return the printer to the Ready
state.
The top cover is not closed properly. Close the top cover firmly.
The Data indicator light is flashing. The printer is probably still receiving data. Wait
for the Data indicator to stop flashing.
REPLACE <COLOR> CARTRIDGE appears on
the printer display. Replace the print cartridge specified on the
printer display.
A printer message other than Ready appears on
the printer control panel. See Control panel messages .
180 Chapter 8 Problemsolving ENWW