Question about Texas Instruments TI-83 Plus Calculator

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My up arrow doesn't work,so that I can scroll to my previous problems. Also, every time I press enter a grid pops up. After every answer, I have to press quit for the lines or (grid) to disappear.

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Sounds like you have multiple issues concerning your keypad. You may have to remove the screws from the back of the calculator and clean your connectors behind the BLUE arrow keys and then re-install the back and ty to complete a function that requires the use of the arrows. If the function still does not work, you may have to purches a new calculator. Walmart is selling the TI at relatively low prices or you may find a college book store that will also have new and used TI series on hand.

Posted on Oct 25, 2010


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Error 541 and 300

Thank you for contacting FixYa with your printer error.
Error 541: Take the fuser out and clean under the thermistors, and reset the code by entering test mode ( turn off printer hold down online and escape as you turn on printer select 2 engine go to sp5-810 and reset this.
Error 541: (Option 2)While the printer is on do the following:
  1. Hold down both of the arrow keys for 10 seconds
  2. Press ENTER
  3. Select Option 2 for Engine
  4. Choose 7 Data Log
  5. scroll down to 7807 and execute it. click OK
  6. press the escape button until you get to the engine option
  7. then select option 3 to end
  8. restart the printer by pressing the power button.
Error 300: t's a charge error and can be related to the corona itself shorting, the power pack or the toner door switch...and possibly the NVRAM. Replace your main charge wire , and clean and or replace grid wires also ( 4 grid wires )
Hope this helps helps. Please keep us updated and remember to rate this answer.

Jun 11, 2011 | Office Equipment & Supplies

1 Answer

Want to pair Pro 705 via Bluetooth with Nokia E72. Cell asks for passcode. Have tried 0000 and 1234. Doesn't work

1 Insert a Bluetooth USB adapter into the USB port.
Bluetooth Dongle Connected appears on the display.
Note: A Bluetooth adapter is not included with the printer.
2 From the printer control panel, press Setup.
3 Press the up or down arrow button to scroll to Bluetooth Setup, and then press OK.
4 Press the up or down arrow button to scroll to Security Level, and then press OK.
5 Press the up or down arrow button to select the security level, and then press OK.
• Select Low to allow Bluetooth devices to connect and send print jobs to your printer without requiring users to enter a pass key.
• Select High to require users to enter a four-digit numeric pass key on the Bluetooth device before connecting and sending print jobs to the printer.
6 The Bluetooth Pass Key menu opens on the operator panel display if you set the security level to High. Use the keypad to enter your four-digit pass key, and then press OK.

May 07, 2011 | Lexmark Prevail Pro705 Small Business...

1 Answer

Hi i have a dell inspiron laptop unfortunately my touch pad got locked, please help me to unlock it thanks


Press the Windows icon key on your keyboard, and hold it down until the "Start" menu pops up. If your keyboard doesn't have a Windows icon, press "Ctrl" and "Esc" at the same time.

Press "C," then arrow down to "Control Panel" and press "Enter."

Navigate to "Mouse" with your arrow keys, and press "Enter" to open up the mouse control dialog box. Then, press "Alt" and "F" together to access the tabs at the top of this box.

Navigate using the arrow keys to "Device settings" or "Touchpad" or the similar option on your system, and press "Enter."

Press the "Tab" key until the "Enable" option or a check box next to it highlights, and then press "Enter." Press "Tab" again until you are highlighting "OK," and press "Enter." Your touchpad will be re-enabled.

Apr 17, 2011 | Dell Inspiron 1545 Notebook

2 Answers

How can I clear the memory on my Canon MF4350d? I'm trying to fax but the memory is full. The manual does not have the answer. Thanks

To clear memory of MF 4350d do the following
Press MENU and then # You will enter into service mode. Scroll using any of the arrow keys and press OK for CLEAR DATA Again using arrow keys scroll and select MEMORY CLEAR press OK.

Feb 28, 2011 | Canon ImageCLASS MF4350d Laser All-in-One ...

1 Answer

I hahve hp 1020+ print not proper margine if top margin 1" print 1.2"

SOLUTION: Follow the steps below to change the plotter's current setting.
  1. From the STATUS screen on the plotter's display, press Enter.
  2. Scroll using the up or down arrow key until Page format is shown, and press Enter.
  3. Scroll to Margins and press Enter, the current setting will display either Normal or Expand.
  4. Press Enter, then using the scrolling keys change the selection to the choice needed and press Enter.
  5. Press the Previous key until the STATUS screen appears.
  6. The plotter is now ready to plot using the selected margin setting.

Feb 15, 2011 | HP LaserJet 1020 Printer

1 Answer

How do I get my messages from the answering machine ? What do I need to key in ?

If you are using the handset, press Menu and scroll down to the line Answer Machine with the up/down arrows. Then press the left soft key twice (Select answering machine and then play new messages). The left soft key is above the Talk button. Press End to stop the play back of messages. When there are no new messages, the above will play all messages.

If you want to access the messages from another phone, you first need to change the Master PIN from the one it shipped with and set up remote access. You do this from the handset.
To change the Master PIN, press Menu, scroll to Advanced Set and press the left soft key. Then scroll to change PIN and press the left soft key. Enter the original PIN (or the current PIN) and press the left soft key. Then enter the new PIN followed by pressing the left soft key twice. You will hear a tone and see New PIN Stored on the screen. If you do not enter the correct PIN above, the screen will return to the previous menu. The PIN from the manufacturer is 0000.

For remote access, press Menu, go to Answer Machine and press the left soft key. Then scroll to Ans. Settings and press the left soft key. Scroll to Remote access and press the left soft key. Use the up and down arrows to select Activated then press the left soft key again.

Once these are set, call your phone number and when the machine picks up press #. Within 8 seconds, enter the PIN. An error tone will play if you do not enter the correct code; try again. The unit will hang up if the PIN isn't entered in 8 seconds. All new messages will play. Press 1 to replay a message (or go to the previous message), 2 to play all messages, 3 to advance to the next message, 4 to delete a message.

The manual is available here: .

I hope this helps.

Cindy Wells

Jan 19, 2011 | Philips ID9371B DECT telephone

1 Answer

I have a philips magnavox ms2730 c tv 27 inch , my parental lock is enable but i didnt enable it and i cant get it turned off, i was hopping i couldnt find a default password .

I found this info at a tech website, but I haven't tried it myself (never have used parental lock on any set).

Philips sets use 0711 as the override code to defeat parent lock. You may need to enter the code twice if it says "invalid code" the first time.

Using the remote control:

Press the MENU key. Scroll up or down until you reach AUTOLOCK or SMARTLOCK. Press the "right arrow" key. Enter code 0711. Enter it again if it says invalid code.

Once in the AUTOLOCK or SMARTLOCK menu:

Scroll to BLOCK. Press the "right arrow" key. Scroll to BLOCKING OPTIONS. Press the "right arrow" key. Scroll to MASTER DISABLE. Press the "right arrow" key. This should unlock the parental control.

Hope this works for you. Thanks for using Fixya!

Mar 05, 2010 | Philips MS2730C 27" TV

2 Answers


To solve use this steps carefully.. Follow these steps.....
  • On the printer's front panel, press the ENTER key.
  • Using the Arrow keys, scroll to Utilities , and press ENTER.
  • Press the ENTER key and the Up Arrow key simultaneously (allows access to the Service Test submenu).
  • Using the Arrow keys, scroll to Bail Calib , and press ENTER.
  • The bail will rise.
  • Press the Up Arrow key until the bail makes a slight falling motion (approximately 1/4 inch). Each time the key is pressed, the bail will rise slightly.
  • When the bail makes the falling motion, press ENTER to write the calibration value to the EEROM. This is the correct up position for the bail.
  • When the message SUCCESS CALIBRATION press ENTER appears, press ENTER.
  • Press the PREVIOUS key until the main front panel screen appears.
  • Turn the printer off, then on to store the calibration value in the EEROM.
  • Turn the printer on and load media

Aug 14, 2009 | HP DesignJet 450c InkJet Printer

1 Answer

Doro 80

If you get caller ID, it will automatically set the caller id on an incoming call Otherwise: Press the OK/Menu button scroll to DATE/TIME using the up and down arrows, then press OK Enter Month (01-12) press OK Enter Day (01-31) press OK Enter hour (01-12) press OK Enter Minutes (01-59) press OK scroll to AM/PM using the up and down arrows press OK to save settings

Jun 08, 2009 | Lands Phones

6 Answers

Two port kvm belkin

Switch to the First PC [Scroll Lock] [Scroll Lock] [1]
Switch to the Second PC [Scroll Lock] [Scroll Lock] [2]
Previous Active Port [Scroll Lock] [Scroll Lock] [Up Arrow]
Next Active Port [Scroll Lock] [Scroll Lock] [Down Arrow]
Switch Audio to the First PC [Scroll Lock] [Scroll Lock] [F1]
Switch Audio to the Second PC [Scroll Lock] [Scroll Lock] [F2]
AutoScan Mode [Scroll Lock] [Scroll Lock] [0]
Change All to the First PC [Scroll Lock] [Scroll Lock] [A] [1]
Change All to the Second PC [Scroll Lock] [Scroll Lock] [A] [2]

Other information:
In AutoScan mode, the switch remains on one port for 10 seconds before switching to the next. This time interval cannot be changed. To exit autoscan mode press [Spacebar].

When in AutoScan mode, no mouse or keyboard controls. If the user moves the mouse or uses the keyboard while switching the connection between computer and the switch might be interrupted and cause erratic mouse movement and errant display when using the keyboard.

Maximum resolution supported is 2048 x 1536 @ 75Hz.

If mouse movement is erratic:
make sure you do not have more than one mosue driver installed. Make sure that the driver is either for a standar PS/2 mouse or a Microsoft compatible PS/2 mouse. Make sure you do not have any mouse drivers loaded in your CONFIG.SYS or AUTOEXEC.BAT files. Avoid moving the mouse or pressing the mouse button when switching ports on the switch. You can reset the mouse and resume porper mouse movement simply by unplugging the mouse from the switch and allowing 2-3 seconds before plugging it back in.

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Nov 03, 2007 | Computers & Internet

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