C key is slow

You need to fard reset your phone through the steps below:

Switch-off the phone (Remove the battery and re-insert it, if necessary). Now Press and HOLD the GREEN (Call) key, RED (Call end) key and the Camera-capture key SIMULTANEOUSLY. While still pressing the above three keys press the power On/Off key, hold them until phone boots up.

Simply press and hold down the "control" key, while pressing the "plus sign" key. Be sure to keep the "control key" depressed while you press the "plus sign" key. Each repetition will enlarge the text. This can make reading small text SO much easier!

To return the text back to its original size (being polite to the next user), simply press, and hold down the "control" key and the "minus sign" key. Each repetition will decrease the text size

Log on to your computer and open the document you want to print. Click on the "Print Preview" button on the toolbar.

2 Click on the "File" menu and choose "Print Preview" from the drop-down list if the "Print Preview" button is not available. The "Print Preview" function will show you exactly what the finished print will look like.

3 Click the "Close" button to close the Print Preview window, then highlight the entire document and click on the "Format" menu. Choose "Font" from the drop-down list and change the font.

4 Click the "Print Preview" button again to see the finished print. Continue to adjust the font size until the print looks good

If you unplug the cable from the printer to the PC and print the MENU MAP, does it print slow or at normal speed?
If it prints slow, try following the directions below.
If it prints at normal speed, try removing the printer from the print queue and reinstalling it. Also, download the PCL5 drivers and reinstall it.
Good Luck.

Print a MENU MAP and a CONFIG page.
You will need this info to put the settings back in the printer.
1. Turn the device off.
2. Turn the device on. When the memory count begins, press and hold the CHECK MARK button. Continue holding
down this button until all three device control-panel lights flash once and then remain on. This
might take up to 10 seconds.
3. After the message SELECT LANGUAGE appears on the display, press the ^ button
until COLD RESET is highlighted.
4. Press CHECK MARK . The device performs a cold reset and then continues its power-on sequence.
5. Check all I/O settings and reset any customer-set device configuration values.

COLD RESET sets ALL control panel menu items, including network settings back to factory defaults.
This is where the MENU MAP and CONFIG info come into play.

For products with keypads on the control panel:
1. Without turning the unit off, unplug the power cord from the back of the product.
2. Press and hold “# and 6′ keys.
3. While holding those keys plug the power cord back in.
4. Wait until the screen goes blank before you release those keys.
5. Follow on printer screen instructions.
For Box-type models:
1. Unplug the power cord from the printer.
2. Wait for 30 seconds.
3. Plug the power cable back in the printer and turn it on.

Perform these operations:

• Test->Diag->Clear->NVRAM
• Test->Diag->Clear->CalData
• Then re-calibrate the printer.

Procedures:

1. Turn ON the Tech Access feature (hold ENTER and LINE FEED keys depressed approx. 5 seconds - until printer "beeps")
2. Turn ON the Fault Override feature (hold ENTER and FORM FEED keys depressed approx. 5 seconds - until printer "beeps")
3. Press the MENU key then UP Arrow to Offline - Test Menu
4. Press ENTER then UP Arrow to Test Menu - Diag
5. Press ENTER then UP Arrow to Diag - Calibrations
6. Press ENTER then UP Arrow to Calibrations - Print Engine Cal
7. Press ENTER and follow the instructions on the display
8. Turn OFF the Fault Override feature by holding the ENTER and FORM FEED keys depressed until the printer "beeps"
9. Turn OFF the Tech Access feature by holding the ENTER and LINE FEED keys depressed until the printer "beeps"

There are a number of reasons that may causing a Mac computer running slow, but generally two factors: hardware part & system part. For hardware part: I guess it's OK if your Mac is not that old. For system part: there might be a lot of junk files, caches, registry errors... about 80% slow Mac caused by this reason, if so, try cleaning the system. Learn more the solution here: http://www.howtospeedupmac.com/

Hold the feed button while turning on the printer. After a config label prints, turn the printer off and then on again, and try printing again.

Also, make sure the lid is closed far enough to engage the lid sensor. If the red light comes on again, press down a bit on the lid, hit the feed button and try to print again.

your in line mode instead of page mode.

1. Turn printer power off.
2. Press and hold the feed key, then turn power back on.
3. When light starts to flash, release finger from feed key.
4. When light starts to flash again, press and hold the feed key until the light turns red (or amber), then release finger from feed key.
5. Wait for light to turn solid and press feed key once.
6. Check to make sure you are in the correct printer mode by printing a configuration label (Click here for configuration label example - Note item C).

Press the CA button twice. Then push and hold down the %/set key until the 0 dissappearsd and reappears. Then type in your tax rate and the percent key (eg: 8.25%) and then press the TAX+ key. It should save the new tax rate.

press AC press and hold set key for2 seconds, until zero appears on the screen press tax+ input tax rate press set check by pressing AC, then pressing tax+ key. It should be the tax rate you inputed.