Brother PDS-5000 Service Manual page 99

If the "Vertical streaks" or "White vertical streaks" in Chapter 2 happens, attach the sponge by
following the instruction below.
 Where to attach the sponge on the first side CCD unit side
Use the following parts from SPONGE ASSY PDS (D00DFL001).
1 3
2 4
"B" Lower base ASSY "C"
"A" Double feeding sensor shield
Fig. 3-72
3-56
Confidential