Sindoh M611 - Manual (Page 245)

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Maintenance and Troubleshoot
Trouble 14: After jammed paper is removed, the control panel still displays “Paper Jam”
Troubleshooting: 1) Remove paper from the paper path.
2) Press the 【Continue】 button or open and close the front cover to restart the device.
3) Insert the cartridge.
Trouble 15: Network Not Connected
Troubleshooting: Check the cable
- Wired network in use
If it is connected properly, check the LED is blinking. If it is not blinking, the network is not
connected properly. To see if the network cable has a problem, connect the LAN cable (which
is connected to the MFP machine) to other terminals to make sure it is working properly.
- Wireless network in use
In case the wireless network adaptor works normal, LED on the adaptor will be on when
switching on the machine. Make sure the LED on the adaptor is on
Troubleshooting
If LED on the Wireless adaptor is normally on, make sure of SSID of the wireless
AP to connect, and the password if necessary, and try to connect it again.
If the wireless AP is not searched, it may be there is a problem in the wireless AP or
the reception sensitivity is too weak. In case the wireless AP is not found, check if other
terminal devices(PC or smart phones) can search that AP and the sensitivity level.
If the level is low, place the wireless AP and the machine closer than before.
Print Quality Troubleshooting
Replace consumables to improve print quality or maintain parts which reached their life.
See below instructions for print quality troubleshooting.
If you cannot solve the problem, contact our dealer.
Trouble 1: Text is blurred.
Troubleshooting: 1) The toner may be low. Replace the toner cartridge.
2) The d rum cartridge may have a problem.
Replace the new drum cartridge.
3) Set toner density to 8 or higher from the printer
setting or driver.