General Specifications Printing Process Dry Electrostatic Transfer with Dual Component Magnetic Brush Development; 4-Drum Method Scanning Element Full-Color, One-Dimensional Solid Scanning via CCD Output Speed 42 ppm (Letter), 40 ppm (A4) (Copy/Print) Warm-Up Time 45 seconds with Standard Operation Panel 55 seconds with Smart Operation Panel First Copy Time 6.7 seconds (B&W); (Letter/A4) 8.3 seconds (Color) Recovery Time 4.6 seconds (to Scan) Copy Resolution 600 dpi Document Feeder Automatic Reversing Document Feeder (Standard) (ARDF) Original Capacity 50 sheets Paper Size 5.5" x 8.5" to 8.5" x 14" (A5 – A4) Custom Up to 49.6" (1260 mm) Simplex only for Banners Paper Weight 14 to 34 lb. Bond (52 – 128 g/m2 ) (Simplex) Paper Weight 17 to 28 lb. Bond (60 – 105 g/m2 ) (Duplex) Exposure Glass 8.5" x 11" (216 x 297 mm) Quantity Indicator 1 – 999 Input Capacity Standard: 1 x 550 sheets + 100-Sheet Bypass Tray Maximum: 2,300 sheets Output Capacity 500 sheets (MP C401); (Letter/A4) 250 sheets (MP C401SR) Paper Sizes Standard Tray 5.5" x 8.5" to 8.5" x 11" (A6 – A4) Bypass Tray 2.76" x 5.0" to 8.5" x 23.6" (70 x 127 mm to 216 x 600 mm) Paper Weights Standard Tray 14 – 58 lb. Bond/120 lb. Index (52 – 220 g/m2 ) Bypass Tray 14 – 68 lb. Bond/140 lb. Index (52 – 256 g/m2 ) Duplex Unit 16 – 43 lb. Bond/90 lb. Index (60 – 163 g/m2 ) Paper Types Plain Paper, Special Paper, Thick Paper, Thin Paper, Coated, High-Gloss Coated, Water-Resistant Paper, Labels, Envelopes, Letterhe