How to reset to original factory settings

Manuals and Guides

https://www.google.com/search?q=Toshiba+E-Studio+457.+Paper+Size+Setting+Has+Changed+In+Zoom+Mode

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If both your front panel and remote control are disabled, the best option would be to perform a factory reset to restore the TV to its original settings.
To reset the Sharp LC-40LE830U to factory settings:

1. Unplug the TV from the power outlet and wait for at least 60 seconds.
2. Press and hold the power button on the TV for 5 seconds while the TV is still unplugged.
3. Plug the TV back in and turn it on using the power button on the TV itself.
4. Once the TV is turned on, press and hold the "input" and "volume down" buttons on the TV simultaneously for 5 seconds.
5. The TV will then enter the service mode menu.
6. Press the "menu" button on the remote control to navigate through the menu and select "option."
7. Select "factory reset" from the options menu and follow the on-screen instructions to complete the reset.

Note: The factory reset will erase all custom settings, including parental controls, picture, and audio settings.

8600 series Reset

To reset the printer, follow the steps below.

1. Turn the printer on, if it is not already on.
2. Wait until the printer is idle and silent before you continue.
3. With the printer turned on, disconnect the power cord from the rear of the printer.
4. Unplug the power cord from the wall outlet.
5. Wait at least 60 seconds.

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Aug 9, 2017

how to perform hard reset for HP Officejet Pro 8620 - HP ...

and also

If you disable some functions or change some settings and want to change them back, you can restore the printer to the original factory settings or network settings. To restore the printer to the original factory settings

1. From the printer control panel display, touch and slide your finger across the screen and then touch Setup.
2. Touch Tools.
3. Touch Restore Factory Defaults, and then touch Yes. A message appears stating that the printer defaults have been restored.
4. Touch OK

Do a factory reset. There are two methods to reset TVs. Hard reset and factory reset. To make it a hard reset unplug the set from the AC mains wall socket and reinsert after an hour or so. To make a factory reset you have to enter it's service mode option. If you wish to get more details visit the site linked here. http://electronicshelponline.blogspot.com/ http://homenol.blogspot.com/

Without its remote control, you can't do a system reset to this set.
Try a Hard Reset to this set, and then check.
There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts.
https://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
If a hard reset do not help, you should buy its original remote control from its authorized service center.

It's at the bottom of the Miscelaneous Menu (Book & wrench icon):
"Reset Factory Settings:
Initiating Factory Default will reset all OSD settings to original
manufacture settings. The only items, which will remain unaffected are:

Clock
Auto Scan Channels
Edited Channels
Parental Control Password "
If you are trying to take off the parental password:
"Note: If you forget the password, press "9999" to lift the Password lock
and change to a new preferred password. "
"" = Quotes straight out of the manual.

Try resetting the TV to the original factory settings. After resetting the TV to the original factory settings, you can get the initial setup screen to select Antenna. Make sure that the cable from the Antenna is connected to the TV.

Follow the steps given below to reset the TV to the original factory settings:

(i) Turn ON the TV.
(ii) While holding down the Up arrow button on the Remote control supplied with the TV, press the Power button on the TV set. The TV will turn itself off then back ON again.
(iii)Next, release the Up arrow.

Hi!

Please remove the Battery from the Camera then press and hold the power button for 30 seconds. Next, reinsert the battery pack and turn ON the Camera.
You may also try resetting the Camera to the original factory settings by follow the steps given below:
Press Home button on the Camera to display home screen.
Select Settings with left/right arrow on the control button.
Next, select the Main Settings 1 then Initialize and OK.

Performing the above steps will reset the Camera to the original factory settings.

If the issue persists even after performing all the above steps then service will be required.

Hi!

The error E:91 indicates a hardware malfunction in the Camera. In this case, you may try resetting the Camera to the original factory settings.
Follow the steps given below to reset the Camera to the original factory settings:
(a) Press the Menu button to display the menu screen.
(b) After pressing the right arrow on the control button, go to the (setup) setting, then press the right arrow again.
(c) Next, press the left/right/up/down arrow on the control button to select "Setup 1" option.
(d) Then, select the "Initialize" option OK, OK.
(e) Set the clock if date and time screen appear.
(f) Next, turn off the Camera and remove the Battery pack and press and hold the power button for 30 seconds.
(g) Then, reinsert the Battery pack and turn the Camera ON.

Performing all the above steps will reset the Camera to the original factory settings. After resetting the Camera to the original factory settings, please check the operation of the Camera.
If the Camera continues to display the error E:91 then service will be required.

Regards,
Pacific.

Please remove the Battery from the Camera then reinsert it after three minutes. Please make sure that the Battery is fully charged. If menu options are accessible then reset the Camera to the original factory settings. Please follow the steps that are mentioned below to reset the Camera to the original factory settings.
(i) Turn ON the Camera.
(ii) Press the Menu button on the Camera to display the menu options.
(iii) Then use the control button on the Camera to the select the Setup option.
(iv) Next, select the Setup 1 option then "Initialize".

Performing the above steps will reset the Camera to the original factory settings.
If the issue persists even after resetting the Camera to the original factory settings then service will be required.