Error code C7200.

Defective developing humidity sensor or poor contact insertion connector problem try to clean the connector but before doing all this first empty the Dev Unit clean it well the insert it back into the machine and start the equipment.

Hi Farid,

Error Code c7200 means : Broken internal thermistor wire • The thermistor output value is 4.5 V or more.

Because of : Poor contact in the connector terminals. Defective developing humidity sensor.Defective engine PWB.

Need to replace the defected part. please visit to the nearest service center.

Thanks

Try the paper clip trick

km 6030 machine have a code on screen c7200 so how i solve it

You don't. The error code is nothing to do with your iMac - that should be obvious as you get it on different computers, therefore chanmging your browser will have absolutely no effect what-so-ever. The code is being delivered by the web-server you are connecting to - probably AOL

Definition

There is too much noise on the line for a valid connection between two fax machines to complete. The noise problem might go away over time.

Solution

Retry the fax reception at a different time when telephone line conditions have improved. Call the telephone provider if line conditions fail to improve.

to check the error codes and there solution
click on the following link Hope you its satisfactory

ERROR CODES C7200 Series

http://h10025.www1.hp.com/ewfrf/wc/document?docname=buu02549&cc=us&lc=en&dlc=en&product=3382185#Error386

Try right click and run under a previous window version.

They are different and can not be interchanged

C7200 work with C7200/C7400
C7300 work with C7350/C7300/C7550/C7500

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe


I’m happy to assist further over the phone at https://www.6ya.com/expert/joe_8b8c2cd6ce148309

Go to fax setting and change resolution to standard. Worked for me.

You may drive incomplete http://www.driversdown.com/drivers/HP-Photosmart-C7200-All-in-One-Series-Driver-Software_72875.shtml Basic Driver http://www.driversdown.com/drivers/HP-Photosmart-C7200-All-in-One-Series-Basic-Driver_72874.shtml