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Provides detailed instructions on power cord handling, shock and immersion prevention, safe operation around moving parts, use restrictions (such as not operating outdoors), and precautions for blending hot liquids and sharp chopping blades. Includes guidance on polarized plug usage and interlock/splash-guard operation. Concludes with a one-year limited warranty covering defects in materials and workmanship, plus customer service return procedures.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/master-prep-owners-manual-model-qb900-30/401813/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/master-prep-owners-manual-model-qb900-30/401813.png","ImageObject",300,407,{"name":92,"@type":93},"Jordan Avery","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-05","2026-09-27",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",13,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What basic safety precautions must be followed when using the Master Prep appliance?","Question",{"text":113,"@type":114},"Read all instructions before use, supervise when used near children, and prevent electric shock by never immersing the cord, plug, or main unit in water or other liquids.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What should be done if the appliance malfunctions during use?",{"text":118,"@type":114},"Immediately release the On/Off button on the motor head in the event of a malfunction.",{"name":120,"@type":111,"acceptedAnswer":121},"What does the one-year limited warranty cover and how do returns work?",{"text":122,"@type":114},"The warranty covers defects in materials and workmanship for one year under normal household use. 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Read all instructions before using your Ninja Master Prep.  \n2. Close supervision is necessary when any appliance is used by or near children.  \n3. To protect against electric shock, DO NOT immerse cord, plug or any part of the main unit in water or any other liquids.  \n4. DO NOT let cord hang over edge of table or counter, or touch hot surfaces.  \n5. DO NOT operate appliance with damaged cord or plug or after the appliance malfunctions, or is dropped or has been damaged in any manner. Return appliance to EURO-PRO `` Operating LLC for examination, repair or adjustment.  \n6. Unplug appliance from outlet when not in use and before cleaning.  \n7. DO NOT place on or near a hot gas or electric burner.  \n8. The use of accessory attachments, including canning jars not recommended by EURO-PRO Operating LLC may cause fire, electrical shock or risk of personal injury.  \n9. Extreme caution must be used when moving an appliance containing hot food, water or other liquids.  \n10. Use this appliance on a stable work surface away from water.  \n11. DO NOT remove the motor head before the chopping blades have stopped turning.  \n12. CAUTION! Chopping blades are sharp, handle with care. When handling the chopping blades, always hold by the plastic hub.  \n13. DO NOT expose jars to extreme temperature changes.  \n14. DO NOT use jars if they are cracked or chipped.  \n15. DO NOT use the appliance if chopping blades are bent or damaged.  \n16. Avoid contact with moving parts at all times. Keep hands, hair, clothing as well as spatulas and other utensils away from pitcher or chopping container during operation to prevent risk of personal injury and/or damage to the appliance.  \n17. Exercise extreme caution when blending hot liquids.  \n18. Immediately release the On/Off button on the motor head in the event that the appliance malfunctions during use.  \n19. To reduce the risk of injury, NEVER operate the appliance without the splash guard in place; DO NOT try to defeat the interlock mechanism; make sure that the cutting blades are properly assembled before operating the appliance.  \n20. DO NOT use outdoors.  \n21. DO NOT use appliance for other than intended use.  \nNOTE: This unit has a short power supply cord to reduce the risk resulting from becoming entangled in or tripping over a long cord. An extension cord may be used if you are careful in its use:  \n1. The electrical rating of the extension cord should be at least as great as the electrical rating of the appliance.  \n2. An extension cord with the power cord must be arranged so that it will not drape over the countertop or tabletop where they can be pulled on by children or tripped over accidentally.  \nSAVE THESE INSTRUCTIONS  \nFor Household Use Only  \nPOLARIZED PLUG  \nWARNING: To reduce the risk of electric shock, this appliance has a polarized plug (one blade is wider than the other) . This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician to install the proper outlet. Do not modify the plug in any way.  \nModel QB900 30  \nONE (1) YEAR LIMITED WARRANTY  \nEURO-PRO Operating LLC warrants this product to be free from defects in material and workmanship for a period of one (1) year from the date of purchase when utilized for normal household use.  \nIf your appliance fails to operate properly while in use under normal household conditions within the warranty period, return the complete appliance and accessories, freight prepaid. For Customer Service support, call 1 (800) 798-7398 [or visit our website www.euro-pro.com](or visit our website www.euro-pro.com)","cbCaipCWcfnWJscr","https://ap.wps.com/l/cbCaipCWcfnWJscr","pdf",240440,"English","# IMPORTANT SAFETY INSTRUCTIONS\n## Polari​zed Plug and Household Use\n## ONE (1) YEAR LIMITED WARRANTY","[{\"question\":\"What basic safety precautions must be followed when using the Master Prep appliance?\",\"answer\":\"Read all instructions before use, supervise when used near children, and prevent electric shock by never immersing the cord, plug, or main unit in water or other liquids.\"},{\"question\":\"What should be done if the appliance malfunctions during use?\",\"answer\":\"Immediately release the On/Off button on the motor head in the event of a malfunction.\"},{\"question\":\"What does the one-year limited warranty cover and how do returns work?\",\"answer\":\"The warranty covers defects in materials and workmanship for one year under normal household use. If the appliance fails, return the complete unit and accessories with freight prepaid for repair or replacement, and include proof of purchase and a return shipping/handling fee.\"}]","Master Prep - OWNER’S MANUAL Model QB900 30 | PDF",1790524237]