Installing the BJ cartridgeThe first time you set up your fax, you have to install the BX-3 BJ FAX cartridge before you can beginreceiving and copying documents.BJ cartridge guidelinesUse only the Canon BX-3 BJ FAX cartridge with the FAX-B150.The actual amount of ink that you use will vary depending on the print density of a page. If themajority of your printed output is graphics, you may need to change the ink cartridge more often thanwhen you are receiving or copying text only.You may need to replace the BJ cartridge when either of the following conditions exist:¶ Your printed output is not crisp and clear, and there are gaps in the characters (missing dots) evenafter you have cleaned the print head once or twice and you have removed and reinstalled the BJcartridge.¶ You have been using the BJ cartridge for over one year.Note¶ To ensure optimum print quality, Canon recommends the use of the cartridges designated byCanon. Canon accepts no liability or responsibility for damages caused by the use of anycartridge other than those designated by Canon.¶ Canon makes numerous ink cartridges; the BX-3 BJ FAX cartridge is the only one designed to beused with the FAX-B150.111111111111111111111111119