VORSICHT – QUETSCHGEFAHR: Um das Risiko einer Quetschung zu vermeiden, gehen Sie in
Bereichen, die mit diesem Etikett gekennzeichnet sind, mit Vorsicht vor. Quetschungen können im
Bereich von beweglichen Komponenten auftreten, wie z. B. Zahnrädern, Klappen, Fächern und
Abdeckungen.
Troubleshooting overview
Performing the initial troubleshooting check
Before you start the troubleshooting procedures, perform the following checks:
• Use genuine Lexmark supplies and parts for the best results. Third-party supplies or parts may aect the
performance, reliability, or life of the printer and its imaging components.
• With the power cord unplugged from the electrical outlet, check that the cord is free from the breakage,
short circuits, disconnected wires, or incorrect connections.
• Make sure the printer is properly grounded. Check the power cord ground terminal.
• Make sure the power supply line voltage is within 10% of the rated line voltage.
• Make sure the machine is securely installed on a level surface in a well‑ventilated area.
• Make sure the room temperature is between 16 and 32°C (60 and 90°F) and that the relative humidity is
between 20 and 80%.
• Avoid sites generating ammonia gas, high temperature, high humidity (near water faucets, kettles,
humidifiers), cold spaces, near open flames, and dusty areas.
• Avoid sites exposed to direct sunlight.
• Make sure the paper is the recommended paper for this printer.
• Make a trial print with paper from a newly opened package, and check the result.
Using Safe Mode
Safe Mode lets the printer continue to operate in a special limited mode in which it attempts to continue oering
as much functionality as possible despite known issues. See
“Safe Mode print behavior” on page 44.
Warning—Potential Damage: Safe Mode is intended as a short‑term workaround and should be used only in
the case of a non‑critical error when a print job must be completed before service can be arranged to repair
the printer. The printer must be returned to standard operating mode before diagnostics can be run or
full‑function printing can continue.
You can enter Safe Mode in one of the following ways:
• Enter Safe Mode from the
Configuration
menu, and then POR the printer. See
“Config
Menu” on
page 386.
• For 2.4” display models, press the Stop and Back keys, and then POR the printer.
4064
Diagnostics and troubleshooting
43
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