HP Color 9850mfp Service Manual - Page 150
Fan control, Fan composition
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II UNIT EXPLANATION OTHER CONTROLS 15.3 Fan control 15.3.1 Fan composition hp Color 9850mfp DRIVE EM H/L DRIVE EM H/L DRIVE EM H/L [14] [13] DRIVE EM H/L [12] DRIVE EM H/L DRIVE EM H/L [11] DRIVE EM H/L [10] [9] PRCB-1/2 FRONT [8] [15] [16] [17] [18] [19] SCDB DRIVE EM [1] [2] [3] [4] [5] [6] [7] TSDB DRIVE EM DRIVE EM H/L DRIVE EM H/L DRIVE EM DRIVE EM H/L DRIVE EM H/L DRIVE EM H/L DRIVE EM H/L DRIVE EM H/L DRIVE EM H/L DRIVE EM H/L PRCB-2/2 Symbol [1] [2] [3] [4] [5] [6] [7] [11] [8] [9] [10] [12] [13] [14] [15] Name Write exhaust fan 1 (M45) Write intake fan 1 M43) Write exhaust fan /2 (M46) IP cooling fan (M25) IPB cooling fan (M24) Write intake fan 2 (M44) DCPS cooling fan (M42) Paper exit fan F (M28) Charging intake fan (M48) Paper exit fan R (M26) Paper exit fan M (M27) Transfer belt cooling fan (M11) Fixing cooling fan 1 (M10) Fixing cooling fan 3 (M36) Fixing cooling fan 2 (M37) Function or method Writing section cooling Writing section cooling Writing section cooling Cooling of the overall control board (OACB) Cooling of the image processing board (IPB) Writing section cooling Cooling around DC power unit 1 (DCPS1) Cooling around the paper reverse exit section and cooling of paper Adverse wind to the charging corona Cooling around the paper reverse exit section and cooling of paper Cooling around the paper reverse exit section and cooling of paper Cooling around the transfer belt Cooling around the fixing section of the paper exit side Cooling around the fixing section Cooling around the fixing section 2-76