Ricoh 002052MIU User Guide - Page 141
SMPS SWITCHING MODE POWER SUPPLY, Supply voltage SUP, These types of power are available, AC input
UPC - 026649118692
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SMPS & HVPS (ALSO KNOWN AS PSU AND POWER PACK) Supply voltage (SUP) • Function: Gives toner to the developing roller. • Output voltage: -400V ~ 800 V DC °50 V (Use ZENER, DEV gear) • Error: 1) If SUP is GND, density goes down. 2) If DEV floats due to an unstable contact point of terminal, etc., density goes down. 6.5.2 SMPS (SWITCHING MODE POWER SUPPLY) This is the power source for the full system and is located at the bottom of the set. It has the SMPS part, which gives DC power to drive the system. The AC heater control part gives power to fuser. SMPS has four outputting channels (+5 V, +12 V, +12 V and +24 Vs). These types of power are available: • 120 V (North America) • 220 V (Europe, Asia, China) AC input • Input voltage: AC 220 V ~ 240 V, AC 120 V ~ 127 V • Input voltage fluctuation range: AC 198 V ~ 264 V AC, 90 V ~ 135 V AC • Frequency: 50/60 Hz • Frequency fluctuation range: 47 ~ 63 Hz Inputting voltage: Under 4.0 Arms/2.0 Arms • (The condition when lamp is off or rated voltage is inputted/outputted) Length of Power Cord: 1830 ± 50 mm Power Switch: Use Detailed Descriptions SM 6-11 B173