Service manual

Scanner Unit
M052/M053/M054 4-30 SM
4.5.7 SENSOR BOARD UNIT (SBU)
1. Scanner top rear cover ( p.4-26 "LED Board")
2. Exposure glass (
p.4-25)
3. Bracket [A] (
x 5)
4. Sensor board unit [A] (
x 4, x 2)
When reassembling
Adjust the following SP modes after you replace the sensor board unit:
 SP4–008 (Sub Scan Magnification Adj): See "Image Adjustment: Scanning"(
p.4-7).
 SP4–010 (Leading Edge Registration Adj): See "Image Adjustment: Scanning"(
p.4-7)).
 SP4–011 (Main Scan Reg): See "Image Adjustment: Scanning"(
p.4-7).
 SP4–688 (DF: Density Adjustment): Use this to adjust the density level if the ID of outputs
made in the DF and Platen mode is different.