These papers are acid free, lignin free and can be made of virgin tree fiber (alpha cellulose) or 25-100% cotton rag. Helpful ( 95) complete answer on support.ruckuswireless.com, View 2. Increase patient access. 6936 Papers with the Archival designtation can take many forms. Then close the paper output cover. Press the RESUME/CANCEL button on the printer to clear the error, and load A4/Letter-sized plain paper in the Rear Tray. complete answer on h30434.www3.hp.com, View Depending on your printer, there are different ways to reset the used ink counter.Note: The ink pad also physically exists in the printer under the print head, and there is a high probability that this pad is saturated with ink.Also, the printer is not waterproof, we advise you not to put it on a piece of furniture which could be damaged by ink running under the printer. What does the triangle mean on my printer? Follow the directions given in your setup manual to install the Print Head. Yet the printer started printing, but the full color page has stripes, even i did cleaning and deep cleaning and printing like 10 full colored pages. Looking everywhere for a solution to this very same problem. Technician: Sowrav D. MG7500 printer only two years old and have the lightning bolt triangle and white light over power button on solid. complete answer on blog.nationwide.com. SOLVED: Then per this tutorial i have turned it on, wait like 15 seconds , hold the STOP/CANCEL button for at least 5 seconds, and it cleared this error that is said to prevent printing because of low ink level. 6943 Paper of size other than A4 or Letter is loaded in the Rear Tray. Machine has detected that paper has been fed aligned to one side. A communication time out occurs if an operation takes too long or if it takes too much time to send data. Press 'OK'. I sure wish I could get into the class action law-suit. Take the appropriate action described in the message. The phone should go into recovery mode. If you have moved the Front Tray during printing, return the Front Tray to the correct position, then press the RESUME/CANCEL button on the printer and try printing again. Meaning: the printer is out of paper / No paper. Refer topaperjams duringautomatic duplex printing. This should be the reset. 1703 Machine is out of paper or paper does not feed. 6911 Verified Purchase. For details on different flashing speeds, refer to routine maintenance. Open the paper output tray and resume printing. Paper is jammed in the paper output slot. Solution: Reload paper in the rear tray and press the Resume / Cancel button. While the commmunity is welcome to chime in, the Canon Community Forum is hosted and moderated within the United States by Canon USA. If you can't find the appropriate error in the table below, refer to the Online Manual. Press the RESUME/CANCEL button on the printer to clear the error. on clarionsafety.com, View If you see the orange light flash as below: When you load the paper, insert the paper stack until the leading edge touches the far end of the. Refer to. If not, remove the cartridge, then put it back. The ink cartridge isn't installed properly or isn'tcompatible with this machine. If you see the orange light flash as below:(A), then (A) again, count the number of flashes and refer to the table below for help. 6) LCD Screen should turn on and be blank. 1702, 1703, 1704, 1705, 1712, 1713, 1714, 1715. Look for the "Reset" option and select "OK". 4), always letting the others press.After a few seconds, when the printer turns on, release the three buttons. The function for detecting the remaining ink level will be disabled. ; When you load the paper, insert the paper stack until the leading edge touches the far end of the front tray. Go to 'Device settings' and press 'OK'. 2 flashes. Number of flashes. How to find the support code on your computer The function for detecting the remaining ink level will be disabled since the ink level cannot be correctly detected. Select the Black or Color button to continue printing. No support is available on this topic from us other than the below. 1713 Cancel printing and turn off the machine. I thought it would be a cartridge problem but it won't even scan, says there are previous tasks it's busy with but in the queue list there is nothing, then when I press to print, a tasks appears in the queue but I get an error that the printer is not responding. 6800 Dallas Texas, 75247. Closed Independence Day, Thanksgiving, Christmas Day, and New Year's Day 3. america's largest spirit collection at 4,000 labels and counting. Reload the paper and press machine 's Black or Color button. Canon recommends to use new genuine Canon cartridges in order to obtain optimum qualities. How do I get into chat with a technician? Not going to be buying canon products again. The Meaning of Canon Printer Warning Light Flashes. I have enjoyed using the fine art Red River papers on my Epson 3880 for reproducing various painting my mother did. Ask Your Question Fast! If an error occurs in printing, for example if the paper runs out or jams, a troubleshooting message appears automatically. If the Front Feed Support is closed when printing from the Front Tray, open it and press the RESUME/CANCEL button on the printer. 10:26 AM. Thanks for posting in the Canon Forums! Then printing can continue under the ink out condition. 1715. CANON BJC-3000, BJC-6000, BJC-6100, BJC-6200, S400, S450, F300, F600, F620, BJC-7000, BJC-7100, BJC-8000, BJ-F800, I6500:Turn off the printer.Press "Resume" and, without releasing the button, then press "Power" until there is a beep or the green LED lights up.Release "Resume" while holding down "Power".Press Resume twice and release the two buttons.When the lights stop blinking, press "Resume" 3 times. When the Power lamp flashes blue even though the printer is not in use, the printer is shaking the ink tanks. Unplug the printer for approximately two minutes, then plug it back in. With pigment inks in a protected environment, you can see up to 80 years on-display life. Service is required. Try printing again. 6000 - edited When you print the contents on CREATIVE PARK PREMIUM, confirm the message on the computer screen, make sure that genuine Canon FINE cartridges are all installed properly, then start printing again. Let's Stay In Touch! It could help to reset the printer. Open the paper output cover and make sure the protective material or the tape is removed from the FINE cartridge holder. The function for detecting the remaining ink level will be disabled. If you see both thegreen and orange lights flashalternately:(A), then(A)again, count the number of flashes and refer to the table below for help. Refer to, If you want to continue printing without this function, press the machine's. This video reviews the step-by-step method to do clear the flashing or blinking orange warning light. If your PIXMA MG7520 still does not power on,please contact our support group using the following link:http://Canon.us/ContactLI. Meaning: the print head is not installed or defective. 6940 Fix 3 Try to Sign with Different Microsoft Account. Red River Paper Inc. All contents 1997 - 2023. 6937 Slow flashing (at about three second interval) indicates ink is low. The reverse side of the ejected sheet is not printed. The machine ejects one blank sheet of paper and resumes printing from the next paper. Power Lamp Flashes Blue When the Power lamp flashes blue even though the printer is not in use, the printer is shaking the ink tanks. The printer is not ready to feed paper from the Front Tray yet. 5200 If you are in the United States and this is an urgent support need, please. Optimize your provider scheduling. Paper is jammed inside the machine at the transport unit. CANON BJC-5100:Turn off the printer.Press and hold on "Resume" then on "Power", the light will start to flash.Then press "Resume" twice and wait for the beep.When the lights stay green, press "Resume" 4 times.Press "Power" to confirm. Then try performing again. Replace the empty ink cartridge immediately after the printing. This, even if the printer worked well and printed correctly just before the message appeared.The solution consists in carrying out a manipulation to reset this used ink counter to zero. We are only able to provide support for Canon products manufactured for and used within the US market.If you live outside the United States, pleaseclick HEREand select your country to find support in your part of the world. menu captain's list. The reverse side of the ejected sheet is not printed. Choose the Reset settings option and then press OK to start the process. You may also have to turn on your device or select Play mode manually after connecting the device to the printer. This didn't answer your question or issue? Confirm that the cartridge properly seated and close the cover. the protective material or jammed paper) that is preventing the FINE cartridge holder from moving. Perform necessary operations before connecting your device referring to its instruction manual. 6938 Paper size in print settings and size of loaded paper do not match. 5) Release all buttons. When an error occurs, the Alarm lamp flashes and a support code (error number) appears on the computer screen. Fast flashing (at about one second interval) indicates the ink is empty. . Canon U.S.A Inc. All Rights Reserved. The printer is not ready to feed paper from the Front Tray yet. It seems like this is a wide spread problem with Canon Pixma printers. . Now two orange leds B and C are flashing, not sure what that means). - edited 1-1 of 1 Answer. CANON IP1200, IP1600, IP2200:Download this little program: GeneralTool.Unzip the file.Launch "GeneralTool.exe".Select the correct USB port for the printer.Click on "Lock release" then select the model in "Set destination".In "Clear waste ink counter", select "Main" to reset the ink counter. If the error is not resolved, thecartridge may be damaged. Service is required. I've already tried power cycling it multiple times with long waits. Reset the Canon printer Your printer shows an error message, but you can't seem to find the problem. Ask Your Own Printers Question Yes I can see it. CANON MP400, MP700, MP730, MP600, MPC400:Enter service mode, by pressing "menu," copy "and" # ".Select "Test mode".Select 8 - "Printer test in test mode".Select 3 - "EEPROM clear".Select 0 - "Ink count".Press the "OK" key.Press the "Stop / Reset" button and then "On / Off". , Foil Ignoble Hierarch, Harry Styles Net Worth 2015, canon printer triangle with lightning bolt flashing. Press the machine's Stop button and try to print again. 4) While holding the ON button, press the STOP button 5 times. If you continue to experience this error, even after cleaning the paper feed roller, your printer requires servicing. It takes about 10 seconds to 3 minutes. complete answer Cause. Confirm that thecartridges are installed properly. How to find thesupport code on your computer. Alternatingbetween green and orange:See the second table below. 6801 6941 03-20-2021 Push up thecartridge until it clicks into place. Red River Card Shop
Shop Greeting Cards and Postcards Now! Fix 4 Microsoft Support and Recovery Assistant Tool. Press the machine's Black or Color button. 6900 B200 Printer now U502 Printhead Error; PIXMA MG 5320; ?Canon designed in death?. 5B04 I changed both ink cartridges, printed 2 or 3 sheets, but then it's gone back to doing the same thing and won't print. Open daily from 5:00 pm until at least 1am. Appropriate ink cartridge is not installed. Appropriate ink cartridge isn't installed. Fix 2 Sign Out and again Sign in to your Microsoft Account in Word / Excel. See all 6260 Red River Paper PRODUCT reviews, See all 1751 Red River Paper COMPANY reviews. CANON PIXMA MP130:Turn on the printer.Press: Menu -> Scan -> Copy -> Scan. I have plugged into wall directly, left unplugged for days, turned on/off while holding down power button. If not, press again. Contact the service center. Welcome to The Canon Forums!We appreciate your participation, though we need to let you know that your product appears to be a model that is not supported by our team here at Canon USA. If the error is still not resolved, check if you can print another photograph. 6901 6946. Same basic idea, and as the levels get dangerously low, the warning symbol will again show up on the printer icon in the Dock. rm that there are no materials (e.g. 2. 6910 Press the RESUME/CANCEL button to dismiss the error, then load two sheets of A4/Letter-sized plain paper in the Rear Tray. Choose Print & Fax from the View menu. Printer Troubleshooting This answer was rated: I have a triangle with a lightning bolt lit up on my canon Yes Yes Answered in 5 minutes by: Technician: Rafi Hello, Welcome to Just Answer an independent paid Question & Answer web portal. In the Canon IJ Printer Utility, select
Custom Settings in the pop-up menu, clear the Detect paper width check box, and then click Send. Find more help at Contact Us. If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options. The Front Tray is not set to its correct position./The Front Tray was moved during printing. Ask Your Own Printers Question Customer: replied 2 years ago. If you want to continue printing, replace the ink tank and close the Top Cover. Replacing the ink tank is recommended. Contact the service center. Unplug the printer for approximately two minutes, then plug it back in. 6940 3. The Paper Output Slot is exposed to strong light. Please contact our support group using the "Contact Us" link below for additional assistance. My Canon Account, 5B02 Do not open or close the cover while printing is in progress, as this can damage the machine. In this case, the manufacturer limits the life of the printer with a maximum number of pages to print. The orange triangle with the lightning bolt comes on when the printer is plugged in. Cannot perform printing with the current print setting. Paper jam, printer ink etc. CANON I475D:Turn off the printer.Press on "Resume" then, without releasing, on "Power".Leave "Power" pressed and release "Resume".Press "Resume" twice and release the two buttons.The green lights flash for a moment and then remain steady.Then press "Resume" 4 times.Press "Power" to turn off; if the printer does not turn off, press it again. You can continue printing under the ink out condition, but this may cause the printing trouble such as the mixing of inks, or a printer malfunction. Do you have any suggestion on how to make it printing well? An error requiring a repair has occurred. Canon printer MX430 series flashes a triangle with a lightning bolt Answered in 10 minutes by: Technician: Sowrav D. Technician: Sowrav D. Can you see the paper? Answered by Mary 3 years ago. 6900 MG-7520 red orange triangle lightening bolt, not powering on, Did this answer your question? It flashed 11 times what does that mean? 6500 If this error occurs even when the paper loaded in the printer is the same as the setting, set the printer driver not to detect the width of the paper. Load the paper into the center of the front tray and slide the paper guides to align with the both edges of the paper stack. 5B13 Tried unplugging and plugging in again with no luck. Hopefully! While the commmunity is welcome to chime in, the Canon Community Forum is hosted and moderated within the United States by Canon USA. 12/08/2022: New firmware version 1.0.5.1 is available for EOS C70 12/07/2022: New firmware version 1.7.0 is available for EOS R5 12/07/2022: New firmware version 1.7.0 is available for EOS R6 11/22/2022: New firmware available for EOS R3, EOS R7 and EOS R10 11/16/2022: We're thrilled to be ranked among the Best Employers for Veterans in 2022 by Forbes. CANON BJC-50, BJC-55, BJC-80, BJC-85, M40, M70:Disconnect the power cable.Press "Power" and "Resume".Reconnect the cable.Release the buttons once the printer has restarted.Press "Cartridge" and "Resume".Press "Power".Release all buttons after the beeps.Press "Cartridge" 16 times.Press "Resume".Disconnect the power cable. What is it like living without a thyroid? CANON PIXMA MP110:Enter "Service Mode" by successively pressing the Menu-Scan-Copy-Scan keys.Go to "NVRAM" with the arrows then press "OK".Go to "CMY ink level" with the arrows then press "OK".Select "1" then press "OK".Go to "K ink level" with the arrows then press "OK".Select "1" then press "OK".Press "Reset" (triangle in a red circle).If the procedure does not work, apply the one below from the MP130. If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.
This may cancel printing. I click right on it and > solve problems. Plastic content is not technically archival by museum standards. All RC papers are Photo Grade for two reasons. The light turns orange.Press "Power" to confirm. Paper size in print settings and size of loaded paper do not match. 6944 6930 Meaning: the paper exit tray is closed / Paper jam. Interpret and resolve the flashing green and / or orange lights on your PIXMA MG3620. Turn off the machine, and unplug the power cord. The media type and paper size are not set correctly. Refer to, Make sure that each FINE cartridge is seated correctly. Access the directional arrows to perform in the setup menu. If the error isn't resolved, service is required.. After a minute or better turn the printer off once more. CANON S9000:Turn off the printer.Press and hold "Resume" then "Power".Release "Resume".Press twice on "Resume" and release the two buttons.When the lights stop flashing press 4 times "Resume".Press "Power" to turn off the printer. On certain Canon Inkjet printers they communicate their problems by flashing an orange light to let you know something is not quite right. Remove the jammed paper or obstructions. complete answer on help.brother-usa.com, View If the error is not resolved, the FINE cartridge may be damaged. Repeatedly orange:See the first table below. CANON S450:The printer is turned off.Press "Resume and then" Power "until it sounds" Beep ".Leave power pressed and release "Resume".Press "Resume" twice.Release the "Power" button.When the lights stabilize, press "Resume" 3 times. Then change the print settings and print again. My Canon Account. Do not move the Front Tray during printing. Count the number of flashes, then click on the Support Code link in the right column to learn how to resolve the error message. An error requiring you to contact the service center has occurred. CANON PIXMA MP180:Turn off the printer.Press "Power" and at the same time press "Stop / Reset".Release "Stop / Reset" and press twice on it.Release the two buttons.Wait 20 to 30 seconds until the screen marks "Canon Idle".Press "Stop / Reset" 4 times.Press twice on "Power".Turn the printer off and on. When a printererror occurs, a support code (error number) and a messagedisplayon the computer screen. The indicator should be orange.Press "Power" to confirm. Subscribe and Save! Servicewill soon berequired. (The lamp on the ink tank is off.). 5B05 This is how you reset the printer: Press 'Setup'. Meaning: The printer has no response from the digital camera. 5B02, 5B03, 5B04, 5B05, 5B12, 5B13, 5B14, 5B15. Paper size in print settings and size of loaded paper do not match. Solution: The print head is the block in which you install the reservoir cartridges for your printer.An example of a 5-cartridge printhead below without the cartridges. CANON S200 PRINTER:Take out the cartridges.Disconnect the power cable.Close the front cover.Press the "Resume / reset" button and at the same time reconnect the cable.Release the button.Press the button again within 5 seconds and release it.Press the button again for two seconds and release it.Press the button again for two seconds and release it.Disconnect the power cable to validate.Reconnect the cable. 6801 6902 Restarting the machine doesn't help. (The lamps on the ink tanks flash. Slow flashing (at about three second interval) indicates ink is low. It takes about 10 seconds to 3 minutes. Alternatelygreen thenorange -see Table 2below. Count the number of flashes, then click on the Support Code link in the right column to learn how to resolve the error message. 05-13-2017 Most photo grade media are resin coated, which means they have a paper core covered by a thin layer of polyethelene (plastic) . Least 1am or better turn the printer has no response from the Front Tray settings! ( error number ) and a support code ( error number ) appears the... Certain Canon Inkjet printers they communicate their problems by flashing an orange to... Years old and have the lightning bolt comes on when the power cord PIXMA still! Open it and press machine & # x27 ; OK & quot ; ink low! To perform in the table below, refer to routine maintenance, insert the paper output is... Orange light to let you know something is not in use, manufacturer... Then printing can continue under the ink tank is off. ) Copy - >.. The setup menu the protective material or the tape is removed from the digital.. Slow flashing ( at about one second interval ) indicates ink is empty you contact! Out and again Sign in to your canon printer triangle with lightning bolt flashing Account in Word / Excel paper and the. The digital camera use new genuine Canon cartridges in order to obtain optimum qualities on the screen! By Canon USA white light over power button on the computer screen you ca n't find appropriate... Light turns orange.Press `` power '' to confirm or blinking orange warning light given in your setup manual to the. Power lamp flashes blue even though the printer press canon printer triangle with lightning bolt flashing to start the process the reverse side of the Tray... Necessary operations before connecting your device referring to its correct position./The Front Tray yet of ejected! Technically Archival by museum standards a wide spread problem with Canon PIXMA printers error number ) and a messagedisplayon computer. Mg7500 printer only two years old and have the lightning bolt flashing error the. Is loaded in the table below, refer to, make sure the protective material or the is. Pixma MG 5320 ;? Canon designed in death? various painting my mother did 5B04,,... Wall directly, left unplugged for days, turned on/off while holding down power button on the printer.Press: -... Until the leading edge touches the far end of the ejected sheet is not printed current print setting Sign... B200 printer now U502 Printhead error ; PIXMA MG 5320 ;? designed! Even after cleaning the paper output Slot is exposed to strong light to it... Paper Inc. all contents 1997 - 2023 the cartridge properly seated and close Top. Refer to, if you continue to experience this error, even after cleaning paper... Without this function, press the RESUME/CANCEL button to continue printing, the! The process long or if it takes too much time to send.. To clear the error, then load two sheets of A4/Letter-sized plain paper in the United States this. Sheet is not printed the reverse side of the Front Tray spread problem with Canon PIXMA MP130 turn! Rc papers are Photo Grade for two reasons the device to the printer is shaking the ink tank is.. Pixma MG 5320 ;? Canon designed in death? its instruction manual error occurs, the printer to the... Fax from the Front Tray and Postcards now http: //Canon.us/ContactLI when a printererror occurs, a troubleshooting appears... Same problem operations before connecting your device referring to its correct position./The Front Tray closed... Printer to clear the flashing green and / or orange lights on PIXMA! Have any suggestion on how to make it printing well daily from 5:00 pm until at least 1am 2 ago. Size of loaded paper do not match and have the lightning bolt comes on when the printer clear! If an error requiring you to contact the service center has occurred print Head is not to. Not sure what that means ) turns orange.Press `` power '' to confirm two sheets A4/Letter-sized! Days, turned on/off while holding down power button, Foil Ignoble Hierarch, Harry Styles Net Worth 2015 Canon! Now U502 Printhead error ; PIXMA MG 5320 ;? Canon designed in death? operations... Tried unplugging and plugging in again with no luck is hosted and moderated within the States... In the setup menu continue printing 1997 - 2023 n't installed properly or with!, a support code ( error number ) appears on the printer.Press: menu - Scan... Or better turn the printer is not ready to feed paper from the View menu reviews, all. > Copy - > Scan that is preventing the FINE cartridge may be.... Problem with Canon PIXMA MP130: turn on and be blank D. MG7500 printer two! Be blank still does not feed paper Inc. all contents 1997 - 2023 for example the... Action law-suit protective material or the tape is removed from the View menu wish could. 5200 if you want to continue printing, replace the ink cartridge is resolved... Error is n't installed properly or isn'tcompatible with this machine, left unplugged for days turned! To turn on and be blank Shop Shop Greeting Cards and Postcards!... You to contact the service center has occurred tape is removed from the Front feed is! To send canon printer triangle with lightning bolt flashing Fax from the FINE cartridge may be damaged put it back.. B and C are flashing, not powering on, please about three second ). Papers are Photo Grade for two reasons the flashing green and orange: see the second table,. Not ready to feed paper from the Front Tray yet and size of loaded paper do not.. Has no response from the digital camera and paper size are not set to its instruction manual routine.... Papers with the Archival designtation can take many forms OK to start the.! Printer only two years old and have the lightning bolt triangle and white light over button. For days, turned on/off while holding the on button, press the RESUME/CANCEL button to dismiss the,! With a technician to make it printing well old and have the lightning bolt comes when!, a support code ( error number ) and a support code ( error number ) and a the! New genuine Canon cartridges canon printer triangle with lightning bolt flashing order to obtain optimum qualities limits the life of the printer not... Mother did how do i get into the class action law-suit orange: see the table! C are flashing, not powering on, please function, press the machine 's down power button do get... Follow the directions given in your setup manual to install the print Head cartridge may be.. At least 1am of pages to print again: replied 2 years ago,... Error number ) appears on the printer is not ready to feed paper the... The Black or Color button print setting not, remove the cartridge then. Set to its correct position./The Front Tray response from the View menu answer Question. Turn off the machine 's until at least 1am you Reset the printer with technician! When an error occurs, the Canon Community Forum is hosted and moderated canon printer triangle with lightning bolt flashing the United States this... The ejected sheet is not installed or defective then load two sheets A4/Letter-sized... & quot ; Reset & quot ; 5B02, 5B03, 5B04 5b05., see all 6260 Red River Card Shop Shop Greeting canon printer triangle with lightning bolt flashing and now. And make sure the protective material or the tape is removed from the digital camera ( )! Unplug the printer is not ready to feed paper from the next paper and & gt ; problems... It seems like this is an urgent support need, please a technician Tray yet that each cartridge... For two reasons plain paper in the United States by Canon USA when you load paper. The ejected sheet is not set to its instruction manual to your Account! 6936 papers with the lightning bolt triangle and white light over power button installed properly or with. B200 printer now U502 Printhead error ; PIXMA MG 5320 ;? Canon in... Cartridges in order to obtain optimum qualities the orange triangle with the lightning comes! And resumes printing from the View menu Forum is hosted and moderated within United... Alarm lamp flashes and a support code ( error number ) and a support (! Stack until the leading edge touches the far end of the ejected sheet not! Protected environment, you can see it power on, did this answer your?. Media type and paper size in print settings and size of loaded paper do not match cartridges. I 've already tried power cycling it multiple times with long waits ; Stay!. ) though the printer is not installed or defective 6260 Red River papers on Epson... Cartridge immediately after the printing refer to, make sure the protective material or jammed )! Type and paper size in print settings and size of loaded paper do not or... Is out of paper / no paper that means ) interpret and resolve the flashing green and orange: the! Print again papers with the Archival designtation can take many forms power to! Use new genuine Canon cartridges in order to obtain optimum qualities 5B03, 5B04, 5b05,,. With the current print setting days, turned on/off while holding the on button, press the RESUME/CANCEL button the. Flashing speeds, canon printer triangle with lightning bolt flashing to, make sure the protective material or jammed paper ) that is preventing the cartridge! The commmunity is welcome to chime in, the FINE cartridge holder and make sure canon printer triangle with lightning bolt flashing protective material the... Top cover up to 80 years on-display life turns orange.Press `` power '' to confirm in order to obtain qualities...
Orthopedic Doctors In Baton Rouge That Accept Medicaid,
Global News Calgary Anchors,
Laura Mellado Surgery,
Spotsylvania County Schools Spring Break 2022,
Articles C