Ricoh FW780 Service Manual - Page 227
Overall Machine Information, Specifications, V: 1, 100 W, 230 V: 1
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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: Self-diagnostic Codes: Table top Electrostatic transfer system Sheet feed Maximum: 914 x 2,000 (36" x 80")mm Minimum: A4 (81/2" x 11") lengthwise Same as "Original Size" 3 cpm (A1/D sideways) 24 seconds (A1/D sideways): A251 copier 30 seconds (A1/D sideways): A252 copier Within 5 minutes (Room temperature 23°C) 1 to 1 only (A251 copier), 1 to 10 (A252 copier) 2 minutes after copying is finished (can be set to 1, 3, 4, or 5 minutes or to no auto reset) Organic photoconductor drum Single-wire with grid plate (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 by induction sensor Development bias control + exposure control Dual wire ac corona and pick-off pawls Cleaning blade Manual feed (roll feeder optional) Heat and pressure type, teflon (upper) and silicone rubber (lower) rollers Nichrome wire lamp (115 V: 1,100 W, 230 V: 1,100 W) 13 codes, displayed in copy counter SM 1-1 A251/A252