how to clean laser printer roller

{"cid":"91169759","title":"HP LaserJet Pro 4001dn Monochrome Network Printer Black-and-White Laser Printer Machine","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e0\/df\/16fd2a7b8da8ae006e3688b2b225-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"HP","Model Number":"HP LaserJet Pro 4001dn","Minimum Order Quantity":"1","Delivery Time":"3-5 work days","Certification":"ISO9001","Place of Origin":"China \/ Japan","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Supply Ability":"50000set\/Month","Packaging Details":"Foam+Brown Box","Type":"LaserJet Printer","Condition":"Original new","Stock":"Have Stock","Package":"Original package","Shipping":"DHL, UPS, TNT, FEDEX, EMS, Sea, Express, Air","Color":"Black-and-White"}}

{"cid":"91171202","title":"laser printer toner cartridges MLT D209S D209L 209S 209L D209 209 toner laser cartridge","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6a\/2b\/60bbe33fcea55bdb341a0e8ab6be-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"OneFuJI","Model Number":"mlt-d209","Minimum Order Quantity":"100","Delivery Time":"5-8 working days","Certification":"ISO9001 14001","Place of Origin":"China","Payment Terms":"Western Union, T\/T, L\/C, MoneyGram,Paypal","Supply Ability":"50000\/Month","Packaging Details":"foam+brown box","Type":"Toner Cartridge","Quality":"High Quality","Compatible":"For Samsung","Material":"From Japan","Advantage":"Factory direct sales"}}

{"cid":"91222958","title":"Wear Resistance use ALE fiber laser engraving equipment Compatible With Flexographic Printers","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/44\/39\/8c2e8007dfa399a5b28670c4c912-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"Yuncheng","Minimum Order Quantity":"1pcs","Delivery Time":"10-30 works day","Service Life":"Long Lifespan, Typically Several Years (depending On Usage And Maintenance)","Advantages":"High Ink Transfer Accuracy, Uniform Ink Distribution, Reduced Printing Defects, Improved Print Quality","Maintenance":"Regular Cleaning To Prevent Cell Clogging; Use Specialized Cleaning Agents And Tools","Wear Resistance":"High Wear Resistance, Suitable For Long-term Use","Connection Type":"Shaft Connection (customizable Based On Customer Needs)","Diameter":"25 - 600 Mm","Cell Depth":"Typically 10 - 60 Microns (depending On LPI And Application Needs)","Surface Treatment":"Laser-engraved Ceramic Layer With Uniform Cell Structure","Packaging Details":"Export standard wooden box","Payment Terms":"L\/C,T\/T","Supply Ability":"2000pcs\/month"}}