20 Most Recent Lexmark C912 Led Printer Questions & Answers

The proper color alignment is in the Config settings. This should only be done a certified tech. Can really screw things up bad if you don't know what you're doing. I am a Lexmark Tech.

981 service switch error refers to BUD(belt up/down) clutch if the error essage is hard. it could be possible that someone could have playes with white CAM below the tranfer belt(behind the waste toner box) if you suspect that the cam was manually rotated, then you are in a big FIX. if not then it could be just a problem with the cam being worn out. in this scenario you cannot remove or reset the transfer belt as you normally do it. there is a special procedure to remove the transfer belt. try the following.

remove the waste toner box., fool the front door of the printer so that you can watch the transfer belt moving up/down. while you have the fron door open,
Turn off the printer, press and hold the go and return buttons on the printer , keep watching the shaft that show the position of the belt, once it moves, be fast enough to turn off the printer. If you were successful in this procedure , you can remove the belt from the printer without any problem. Make sure not to touch the white cam shaft. visually examine the internal mechanism of the shaft, if it is wornout replace it.

IF the white cam was turned manually then you might have to replace the BUD clutch.. which is the most difficult process in this machine....Wish you all the best.

The 994 Density Error indicates that the printer's system card has encountered an unrecoverable error. The 994 Density Error can be caused by the density sensor becoming dislodged from the sensor board. This normally requires a service call. However, for basic troubleshooting, try powering the printer off, wait ten seconds, and then power the printer back on. If still no go, if possible, connect the printer's power cord directly into a grounded wall outlet. In rare instances, a surge protector or uninterruptible power supply (UPS) can generate false error messages. If problem persists, I strongly recommend contacting your Authorized Service Provider or Lexmark Technical Support for assistance. I hope I can assist you more on this.

print the status page make sure the revision level in the lower right corner is greater than 803.04 if its not go to lexmark to update the code if it is greater than. press the right arrow until reset toner Lvl appears in the display press select. use the right arrow to scroll through the colors to be reset. when you get tot the color you want to reset hit select it should give a brief message resseting toner then move to the next one. when finished you will need to power the machine down and back on again before the changes will take effect.

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What the error means:

The 994 Density Error indicates that the printer's system card has encountered an unrecoverable error.

What to do:

This error normally requires a service call. However, on certain rare occasions, such as a power fluctuation or a stray static discharge in the vicinity of the printer, can cause a false 994 Density Error message to appear. In such cases, the error is only temporary and can be easily resolved without service. Follow the steps in the table to check.

Step Action
1 Power the printer off, wait ten seconds, and then power the printer back on.

Did the error message return?

Yes: Continue to step 2.
No: Print a test page. If the page prints, the printer is functioning correctly.

2 If possible, connect the printer's power cord directly into a grounded wall outlet. In rare instances, a surge protector or uninterruptible power supply (UPS) can generate false error messages.

Did the error message return?

Yes: Continue to 'Contacting Lexmark' below.
No: Print a test page. If the page prints, the printer is functioning correctly

Contacting Lexmark
When calling for service you will need to know your printer model type and serial number. If you need help locating this nformation, click here.
Call them while you're near the printer in case the technician asks you to perform a task involving the printer.

these are internal error. beyond user capability or repair
turn off the printer and check all of the cable connections.
turn on the printer, you need to call lexmark service, if the error returns.

980 error code is internal printer error. This is beyond users capability.
turn off the printer and check all cable connections.
turn on the printer, you need to call lexmark service, if the error return.

Media paper weight: is 20lb or 75gsm.
Media type: card stock, envelopes, Glossy paper, Paper Labels, Plain Paper, Transparent.
Media size: A3, A4, A5, Banner up to 11.69"x36", Executive, JIS-B4, JIS-B5, Ledger, Letter, legal, Super Tabloid, B5, C4, C5 DL, 7 3/4 9, 10 Envelopes.
demension is in inches, you need to convert it to centermeter.

Please click here and the installation guide to install the toner cartridges ..


Good luck..

change your magenta led it sounds like that may be faulty big job if not theat then its a new rip baord which is under the cover

one of your print heads ahve failed ie printhead leds the but you uuslly find the printer lies so you may have to replace several of them

replace the rip baord if the firmware download failed ie flashing firmware eprom has fialed

repalce dupliexer or check the duplexor gears as i ahd it at one point otherwose doa printer ressetr ans ee if problem clears up