Tray 1Capacity* 500 sheetsSizes Standard Selectable Sizes: 8.5 x 11 in., 8.5 x 14 in., A4, A5, ISO B5, JIS B5, 7.25 x 10.5 in., 8.5 x 13 in., OficioWeights 16 lb. bond to 28 lb. bond (60 to 105 gsm)Media Types Plain paperRecycledLightweightPunchedLetterheadPre-printedArchiveTray 2 (Optional)Capacity* 500 sheetsSizes Standard Selectable Sizes: 8.5 x 11 in., 8.5 x 14 in., A4, A5, ISO B5, JIS B5, 7.25 x 10.5 in., 8.5 x 13 in., OficioWeights 16 lb. bond to 28 lb. bond (60 to 105 gsm)Media Types Plain paperRecycledLightweightPunchedLetterheadPre-printedArchivePaper Handling - OutputStandard Output 250 sheetsFinishing Offline Convenience Stapler: 20-sheet, single position (available with 3635MFP/X only)PrintFirst-Page-Out-Time As fast as 8.5 secondsPrint Resolution 600 x 600 dpi (up to 1200 x 1200 enhanced image quality)Memory (Std/max) 256 MB / 512 MBProcessor 360 MHzHard Drive 80 GBLanguage Support Postscript® 3™ compatibilityPCL ® 5e emulationPCL ® 6 emulationConnectivity 10/100 Base-T Ethernet, USB 2.0Phaser 3635MFPDetailed Specifications 2* Paper capacities are based on 20 lb/75 gsm stock; capacities will vary with different weight stocks.