Now unlock the left-cover so that it’s completely detached from the printer.Lift the top-lid cover of your printer from the front.Use the flat-head screwdriver to unlock the cover as shown in the image below.Use the Philips screwdriver to open the screw on the back left-side of your Canon printer so that you can open the left-side cover.The below mentioned maintenance process can be followed for the Canon D530 printer, the Canon MF229 or any other Canon printer as well.īefore starting the maintenance process, switch-off your printer and disconnect the power cable from the printer. Please study this Canon printer maintenance guide carefully and follow its steps in the correct order. When you see the message “Turn the main power ON E202 0002” on your Canon MF733cdw printer display screen, then you should follow the steps given below before contacting the service engineer. At any stage during the printer maintenance, if you are confused about what to do, then either re-read our maintenance guide to clear your doubts or simply stop the printer maintenance process. Trying to rush through the steps can cause damage to the components of your printer or you may skip some steps in a hurry.Īrrange all the tools mentioned above and follow all the precautions. Don’t Rush Through Steps: Since the complete maintenance process can be completed in just a few minutes, you shouldn’t rush through these steps.Read the Guide Carefully: Before starting the printer maintenance process, you must read all the steps carefully multiple times so that you know exactly what needs to be done.If at any stage you feel that you are unable to perform some steps, then re-read the steps in our guide, most probably you are doing something wrong. When applying pressure be gentle, but firm. Avoid Excess Force: When working with the printer hardware component, you should not use any excess force.Clean Cloth: You may need a clean cloth to wipe dust off of some of the places on your printer.Īlso, you will have to take certain precautions so that while performing the maintenance you can avoid damaging your Canon MF232w printer.Using this screwdriver will allow you to open the side cover without applying any excessive force. Flat-Head Screwdriver: You will require a flat-head screwdriver to open the side cover of your printer.Make sure that the screwdriver you choose is capable of opening those screws, which means it matches the size of the screws, is long enough to reach the screws and can be used easily without losing your grip. Philips Screwdriver: You will need a Philips screwdriver to open the screws on the back of your printer.Since you will be performing hardware maintenance for your Canon IR 5055 and other Canon printers, you will require some tools. Required Tools and Necessary Precautions to fix e202 Therefore, the surest way to fix this error is to replace your CCD unit or its cable with a new one. This happens when either CCD unit of your scanner is faulty or the cable that connects the CCD unit to your all-in-one has some fault.
The cause of this error can differ based on the printer model, but one common malfunction that causes this error is the improper functioning of scanner.Ĭommonly, it’s noticed that when scanner is not able to go back to its start position, which is the left side of the glass flatbed, your Canon MFP will display E202 error. This error doesn’t allow the users to access the printing, scanning and copying features of their Canon multifunction device. Possible causes behind e202 errorĪlmost every Canon all-in-one can display E202 error. The simplest solution is to clean the Flat Cable and re-attach it to the Main Controller Board of your Canon printer. This problem in the connection adversely affects the functioning of the Contact Sensor, which can cause the error E202 0002 on Canon printers. Sometimes, this Canon error is caused when there is a connection problem between the Flat Cable and the Main Controller Board in your Canon image class printer.
There are some simpler solutions, which doesn’t require any hardware replacement, but only some minor maintenance process.
CANON IMAGECLASS MF733CDW ERROR CODES MANUAL
Therefore, the possible causes of this error according to the Canon service manual can be:Īlthough it may seem that the solution to the causes listed above may need you to replace the reader motor, HP sensor or the CIS unit, these are the causes mentioned in the service manual.
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