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Troubleshooting
WorkCentre 6400 Multifunction Printer
User Guide
177
General Troubleshooting
This section contains procedures to help you locate and resolve problems. Some problems can be
resolved by simply rebooting the printer.
To reboot the printer:
1. Locate the ON/OFF switch on the lower left side of printer.
2. Turn the switch OFF, wait 2 minutes, and turn the switch back ON.
If the problem is not resolved by rebooting the printer, see the table in this chapter that best describes
the problem.
• Printer Does not Turn On on page 177
• Printing Takes Too Long on page 178
• Product Resets or Turns Off Frequently on page 178
• Product Is Making Unusual Noises on page 179
• The Date and Time Are Incorrect on page 179
• Duplex Problems on page 179
• Scanner Error on page 179
• Front Door Will Not Close on page 179
• Right Side Door Will Not Close on page 180
Printer Does not Turn On
Caution: Plug the three-wire cord (with grounding prong) directly into a grounded AC outlet only.
Do not use a power strip. If necessary, contact a licensed electrician to install a properly grounded
outlet.
Probable Causes Solutions
The power cord is not correctly plugged into the
outlet.
Turn off the printer, and plug the power cord securely
into the outlet.
Something is wrong with the outlet connected to the
printer.
Plug another electrical appliance into the outlet and
see whether it operates properly.
Try a different outlet.
The power switch is not correctly turned on. Turn the power switch off, wait two minutes, then
turn it back on.
The printer is connected to an outlet with a voltage or
frequency that does not match the printer
specifications.
Use a power source with the specifications listed in
Electrical Specifications on page 224.