Extra Large Feeder Consumables Kit For I600/I700/I1800 Series ScannersKit Includes: 5 Feed Modules 5 Separation Rollers 76 Pre-Separation Pads And 200 Replacement TiresRecommended Maintenance:• Feed Module And Separation Roller Tires: Tire Life Will Vary Depending Upon Paper Types Environment And Cleanliness. Normal Tire Life Is Approximately 500000 Pages; Results Will Vary. Degradation Of Feeder Performance Multiple Feeds Stoppages Etc. Indicate A Need To Change Tires. It Is Also Recommended That All Tires On The Feed Module & Separation Roller Be Changed At The Same Time. The Kit Includes Extra Tires In The Event One Is Damaged When Replacing Tires.• Feed Module And Separation Roller: It Is Recommended That You Install A New Feed Module And Separation Roller Approximately Every 7Th Tire Change. Install A New Feed Module And Separation Roller At The Same Time.• Pre-Separation Pad: Change Every Other Time You Change The Feed Module Separation Roller Or Change The Tires.Contains:• 5 Feed Modules• 5 Separation Modules• 76 Pre-Separation Pads• 200 Replacement Tires