Carefully replace both captmoncnab3 and CnAC28B9.DAT files in cnaccm and Bidi folders respectively.After replacing these two files carefully, reboot your Mac and proceed to next step. Now copy the file CnAC28B9.DAT from already extracted patch files and replace it in cnaccm folder. Since you are replacing a file in System folder, you will be asked to enter the Administrator password.Īgain under Go to the folder: text field, paste the following path /Library/Printers/Canon/CUPSCAPT2/cnaccm and hit Go. Under Go to the folder: text field, paste this path /Library/Printers/Canon/CUPSCAPT2/Bidi and click Go.įrom Desktop, copy captmoncnab3 file from the extracted files of canon_lbp2900b_patch_mojave.zip and replace it inside the Bidi folder. Now from the Finder menu, select Go and click on Go to Finder… First, download the patch canon_lbp2900b_patch_mojave.zip and extract the files on your desktop. Step 3: Apply LBP2900B Patch for macOS MojaveĪfter installing CAPT driver and utility, you need to now apply the patch to make it work on Mojave update. So you need to apply the below patch to correct this model number mismatch. Now you have successfully installed the required drivers of LBP3000 printer ( Yes, not actually for LBP2900B printer).