COPYRIGHT © 2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000CHAPTER 5 SERVICE MODE5-56 TCOPIER>ADJUSTC4-LVOLUse it to enter the stacking capacity of the cassette 4 (50 sheets).C4-HVOLUse it to enter the stacking capacity of the cassette 4 (275 sheets).Making Other AdjustmentsIf you have cleared the RAM on the DC controller PCB, enter the settings indicated onthe service label.ATMUse it to select an operating environment in relation to atmospheric pres-sure.A low atmospheric pressure tends to cause leakage; lower the target poten-tial control.Range of 0 to 2 0: 1 to 0.75 atm (up to altitude of 2500m)adjustment 1: 0.75 to 0.70 atm (up to altitude of 2500 to 3000m)2: 0.70 to 0.65 atm (up to altitude of from 3000 to 3500m)Download Free Service Manual at http://printer1.blogspot.com