Question about Samsung SCX 4521F All-In-One Laser Printer

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Display "scanner locked" - Samsung SCX 4521F All-In-One Laser Printer

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Open the lid and make sure the lock lever is in the unlock position, that one moves easily and you can bump it to the lock position.

Posted on Jan 31, 2010

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How do I unlock my scanner?


Channel Lockout You can lock out a channel so it is not scanned. Channel Lockout does not erase the frequency from the channel. You can lock out up to 50 channels, including the Priority channel.
Lockout information is retained in the memory when the scanner is turned off.To Lock out a Channel
Example: Suppose you want to lock out Channel 2 because it stops on transmissions you don't want to hear.Press LOCKOUT when the scanner stops on Channel 2.The scanner locks out Channel 2, Then it immediately advances to the next channel that is not locked out, and resumes scanning.In the Manual mode, press LOCKOUT to lock out the displayed channel. Pressing LOCKOUT does not advance to the next channel in Manual mode.L/O appears in the display to indicate the displayed channel is locked out.Whenever you want to search for channels that are locked out, press MANUAL repeatedly to go through all 50 channels. If a channel is locked out, L/O
appears in the display.Restore a Locked Out Channel To unlock a channel so that it can be monitored during scanning:1. Press MANUAL repeatedly to find the locked out channel.2. Press LOCKOUT again to unlock the displayed channel. L/O no longer appears in the display.Restore All Locked Out Channel To unlock all channels, you must be in the Manual Mode.1. Press MANUAL.
2. Press and hold LOCKOUT to unlock all channels. The L/O indicator goes out on any channel previously locked out.

Sep 18, 2011 | Uniden BC248CLT Base Scanner

1 Answer

I have the BC370CRS SCANNER I am trying to clear all the memory and reset it. It is telling me to hold down 2, 9, and hold and turn it on. That is not working. Can you please tell me another way to do...


Locking/Unlocking Banks When you are scanning conventional banks, the scanner displays the digit corresponding to all unlocked banks. To lock out a bank so that the scanner does not scan its channels, press the letter that corresponds to the bank. The bank's letter disappears from the display. To unlock locked-out banks, simply press that bank's letter again. The bank's letter appears on the display and the scanner includes that bank when scanning. Note: You cannot lock out all banks. One bank must be unlocked at all times. Locking/Unlocking Channels To lock out a channel so that the scanner does not stop on it while scanning, press L/O when the scanner is stopped on that channel, or manually select the channel and press L/O. To unlock the channel, manually select it and press L/O again. Restoring All Locked Out Channels You can restore all locked-out channels in a bank only when the bank is selected for scan. Follow these steps to restore all locked-out channels in a bank. 1. If you de-selected the bank, press SCAN then press the bank's letter. 2. Press MANUAL. 3. Hold down L/O for about 2 seconds. The scanner beeps twice and unlocks all To delete a stored frequency, press 0 then press E. Channels with no frequencies are automatically locked out hope this helps

Mar 29, 2011 | Uniden BC370CRS Base Scanner

1 Answer

Bc898t all 500 channels are locked out. How to unlock all of them


Locking/Unlocking Banks When you are scanning conventional banks, the scanner displays the digit corresponding to all unlocked banks. To lock out a bank so that the scanner does not scan its channels, press the letter that corresponds to the bank. The bank's letter disappears from the display. To unlock locked-out banks, simply press that bank's letter again. The bank's letter appears on the display and the scanner includes that bank when scanning. Note: You cannot lock out all banks. One bank must be unlocked at all times. Locking/Unlocking Channels To lock out a channel so that the scanner does not stop on it while scanning, press L/O when the scanner is stopped on that channel, or manually select the channel and press L/O. To unlock the channel, manually select it and press L/O again.

Mar 29, 2011 | Uniden BC898T Base Scanner

1 Answer

Display says " scanner locked"


Try unplugging power cord for the unit and then plug it back in. The scanner module is locked and this may reset it.

I hope this helps.

Cindy Wells

Jan 28, 2011 | Samsung SCX 4521F All-In-One Laser Printer

1 Answer

My scanner was working fine until I held down the lock button. It didn't actually turn on the key lock (the key symbol didn't come up on the display) but now none of the keys respond to presses. I tried...


When you reintilize the scanner, it should lose all programming and settings. Hold down the Tune/Clear button while pushing the reset button. Do not release the Tune/Clear button until the display clears and returns.

Aug 14, 2010 | Radio Shack Pro-82 Scanner

3 Answers

Scanner does not work. 12 scanner error on the display


scanner does not work. 12 scanner error on the display

Jun 25, 2010 | HP LaserJet M1005 Printer

2 Answers

Display says Scanner locked


There is a green switch located under the scanner area of the machine. You will also see a diagram of locked and unlocked padlocks. Just slide the switch to the unlocked position. Hope this helps.

Apr 26, 2010 | Xerox WorkCentre M20i All-In-One Laser...

1 Answer

Scanner locked message on display. Will not copy


Check if the transit lock may have engaged due to movement. These locks prevent the scanner from moving while moving the devices during shipping. They sometimes engage by themselves.

Mar 23, 2010 | Xerox FAXCENTRE 2218 18PPM FAX

3 Answers

How to unlock my M20i scanner


Release the lock, down the scanner is a tiny plastic piece between the oupt tray (the place where the paper goes out) and the top of the scanner
Fosg2000, Rate me please

Mar 16, 2010 | Xerox WorkCentre M20i All-In-One Laser...

1 Answer

Dell 1600N Displays Scanner Locked


If the lock mechanism is broken as you say it might be, then it will have to be disassembled to be removed. Unplug it, there is high voltage present to run the scan lamp. Be very careful and deliberate while disassembling, you will have to put it back together, or get someone experienced to do it.

Jun 24, 2009 | Dell 1600n All-In-One Laser Printer

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