HP Color LaserJet 4500 Printer series - Manual (Page 150)

150 Solving Problems with the Printer EN
Printer Response Problems
No display message
Cause Solution
The printer’s power switch (standby button) is
in the standby position. Verify that the printer is on. Fans may run while
the printer is in standby mode (off).
The printer’s memory DIMMs are defective or
installed incorrectly. Verify that the printer’s memory DIMMs are
correctly installed and are not defective. See
Appendix A for DIMM installation instructions.
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.
Printer is on, but nothing prints
Cause Solution
The printer’s READY indicator light is not lit. Press G O to return the printer to the READY
state.
The top cover is not closed properly. Close the top cover firmly, verifying that it is
properly latched.
The Data indicator is flashing. The printer is probably still receiving data.
Wait for the Data indicator to stop flashing.
TONER [CMYK] OUT appears on the printer
display. Replace the toner cartridge specified on the
printer display.
A printer message other than READY appears
on the printer control panel. See chapter 8 for an explanation of printer
control panel messages.
Your parallel port may have a DOS timeout
error. Add a MODE command to your
AUTOEXEC.BAT file. See your DOS manual
for additional information.