When a Message Appears and the Machine Cannot Be Operated

Message	Condition	Solution and reference
`“Adjusting...”`	The machine is performing adjustment to stabilize image quality.	Wait a while. The machine may perform image quality stabilization during operation. The process time and interval vary depending on the number of printed sheets, paper type and size, or environmental conditions including the temperature or humidity.
`“EC has occurred.”` `“Turn main power switch off then on. If the error appears again, please call service.”` `“Machine Number:”`	A problem is occurring on the machine.	Turn the power off, wait for 10 seconds after the main power indicator turns off, and then turn the power on again. Turning On and Off the Power
`“Printer shut down requested. Shutting down. Wait time: 660 Second(s)”`	The power of the machine was turned off while the machine was starting up or in the standby mode.	Wait until the power is turned off. Do not turn the power on while the message is displayed. If you turn the power on, follow the message displayed on the control panel. Check the correct procedure for turning the power on. Turning On and Off the Power The time it takes for the machine to shut down may vary depending on the system configuration or working environment.
`“Temperature Outside Optimal Range”` `“Humidity Outside Optimal Range”`	The temperature or humidity of the environment in which the machine is placed is outside the supported range.	Check the room temperature and whether it satisfies the operational requirements of the machine. If the machine has just been moved to the current location, leave it be for some time and allow it to adapt to the environment before use. Installation Requirements After Moving the Machine
`“The following failures have occurred.”` "ECxx-x-xxx-xx-x" `“The following functions cannot be used.”`	The machine needs to be repaired.	Consider repairing the machine.
`“Warming Up...”`	The machine is recovering from the sleep mode.	Wait a while. Turn off the power of the machine if the message persists after nine minutes, wait for 10 seconds or more after confirming that the main power indicator is turned off, and then turn on the power. Turning On and Off the Power

Note

If the message persists even after you have performed the operations as instructed in the following message, a malfunction may temporarily occur on the machine. Turn off the power of the machine, wait for 10 seconds or more after confirming that the main power indicator is turned off, and then turn on the power.
Turning On and Off the Power
- “Cover Open”
- “Replace Print Cartridge(s).”
- “Add staples.”
- “Waste Toner Bottle is full.”
- “Hole Punch Receptacle is full.”
- “No paper.”
- “Output Tray Full”