Scanner Unit 
SM  4-26  D245/D246/D247 
4.6.8  ADJUSTING THE SCANNER PARAMETERS 
  Adjust the following SP modes after you replace the scanner unit or each part of the scanner 
unit: 
  SP4-008-001 (Sub Scan Mag. Adj): (page 4-69) 
  SP4-010-001 (L-Edge Regist Adj): (page 4-69) 
  SP4-011-001 (S-Edge Regist Adj): (page 4-69) 
  SP4-688-001 (ADF Adj Density): Use this to adjust the density level if the image density of 
outputs made in the DF and platen mode is different.