HP LaserJet MFP M443nda User Guide - Page 89
Available accessories, Available maintenance parts
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Available accessories You can purchase accessories to enhance your machine's performance and capacity. These accessories must be installed by a qualified HP authorized service provider, dealer, or the retailer where you bought the machine. Contact an HP authorized service or support provider to order an accessory. NOTE: Some features and optional goods may not be available depending on model or country/region. Accessory Function Optional tray If you are experiencing frequent paper supply problems, you can attach an additional 250a sheet tray. Optional RADFb Reverse Automatic Document Feeder. a Plain paper 80 g/m2 (20 lbs bond). b For models where RADF is optional, CarePack installation is required and may vary depending on country/region of purchase or specific model. Available maintenance parts To purchase maintenance parts, contact the source where you bought the machine. Replacing maintenance parts can be performed only by an authorized service provider, dealer, or the retailer where you bought the machine. The warranty does not cover the replacement of any maintenance parts once it has reached its "Average yield". Maintenance parts are replaced at specific intervals to avoid print quality and paper feed problems resulting from worn parts, see table below. The purpose of which is to maintain your machine in top working condition. The maintenance parts below should be replaced when the life span of each item has been met. Parts Average yielda Transfer roller Approx. 100,000 pages Fuser unit Approx. 100,000 pages MP Tray 1 pick up roller Approx. 100,000 pages Tray 2 pick up roller Approx. 100,000 pages MP Tray 1 Friction Pad Approx. 50,000 pages Tray 2 friction pad Approx. 50,000 pages Document feeder (ADF) Roller Approx. 100,000 pages Document feeder (ADF) Rubber Approx. 50,000 pages a It will be affected by the operating system used, computing performance, application software, connecting method, media, media size, and job complexity. ENWW Available accessories 81