Ricoh FW780 Service Manual - Page 323
OVERALL MACHINE INFORMATION, SPECIFICATIONS, Same as Original Size
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Overall Information SPECIFICATIONS 1. OVERALL MACHINE INFORMATION 1.1 SPECIFICATIONS Configuration: Copy Process: Original Feed: Original Size: Copy Size: Copying Speed: First Copy: Warm-up Time: Multi-Copy: Automatic Reset: Photoconductor: Drum Charge: Reproduction Ratio: Exposure System: Exposure Lamp: Development: Toner Replenishment: Toner Consumption: Development Bias: Toner Density Control: Image Density Adjustment: Paper Separation: Cleaning: Paper Feeding: Image Fusing: Fusing Lamp: Table top Electrostatic transfer system Sheet feed Maximum: 914 x 3,000 (36" x 118")mm Minimum: A4 (81/2" x 11") lengthwise Same as "Original Size" 4 cpm (A1/D sideways) 21 seconds (A1/D sideways): B047 copier 25 seconds (A1/D sideways): B048 copier Within 3 minutes (Room temperature 23°C) B047: Single copies only, B048: Up to 10 copies 2 minutes after copying has finished (can be set to 1, 3, 4, or 5 minutes or to no auto reset) Organic photoconductor drum Scorotron corona wire and grid (Negative Charge) 1 : 1 (±0.5%) Slit exposure via fiber optic array Fluorescent lamp (26 W) Dual-component dry toner system Cartridge system (750 g toner/cartridge) 1,860 A1 or D copies per cartridge (6% original) Negative Direct toner density detection using an induction sensor Development bias control + exposure control Dual wire AC corona and pick-off pawls Cleaning blade Manual feed (roll feeder optional) Teflon heat roller (upper) and a silicone rubber pressure roller (lower) Halogen lamp (115 V: 1,200 W, 230 V: 1,200 W) SM 1-1 B047/B048