Ricoh FW780 Service Manual - Page 468

Overall Machine Information 1. SPECIFICATIONS Rev. 11/2000 Configuration: Copy Process: Original Feed: ⇒ Original Skew Tolerance: Table top Electrostatic transfer system Sheet feed 2 mm/400mm Original Size: Maximum: 914 x 2,000 (36" x 80")mm Minimum: A4 (81/2" x 11") lengthwise Copy Size: Same as "Original Size" Copying Speed: 3 cpm (A1/D sideways) First Copy: Warm-up Time: 24 seconds (A1/D sideways) Within 5 minutes (Room temperature 23oC) Multi-Copy: 1 to 1 only Automatic Reset: 2 minutes after copying is finished (can be set to 1, 3, 4, or 5 minutes or to no auto reset) Photoconductor: Organic photoconductor drum Drum Charge: Single-wire with grid plate (Negative Charge) Reproduction Ratio: 1 : 1 (±0.5%) Exposure System: Slit exposure via fiber optic array Exposure Lamp: Fluorescent lamp (26 W) Development: Dual-component dry toner system (Type 410, 2 bags) Toner Replenishment: Cartridge system (750g toner/cartridge) Toner Consumption: 1,860 A1 or D copies per cartridge (6% original) Development Bias: Negative Toner Density Control: Direct toner density detection by induction sensor Image Density Adjustment: Development bias control + exposure control Paper Separation: Dual wire ac corona and pick-off pawls Cleaning: Cleaning blade FSM 1-1 A163