08/2012
3-19
WorkCentre 5021/5019
IDS7, IDS8
Image Quality
Initial Issue
IDS7 White Spots (Irregular)
Figure 1 White Spots (Irregular) Defect Sample (j0ch3223)
Cause
1. The resistance of the paper increased under dry conditions.
Action
1. Use paper from a freshly opened packet.
IDS8 Regular Blank Areas In Process Direction (Spots,
Streaks, Bands etc.)
Figure 1 Regular Blank Areas In Process Direction (Spots, Streaks, Bands etc.) Defect
Sample (j0ch3225)
Cause
1. 94 mm pitch -> Drum: Scratches or foreign substances
2. 27 mm pitch -> Magnetic Roll: Developing powder stuck on the Magnetic Roll
3. 44 mm pitch -> BCR: Scratches or foreign substances
4. 80 mm pitch -> Heat Roll: Scratches or foreign substances
Action
1. 1,4: Clean or replace the Drum Cartridge (PL 8.1) (REP 8.1.1)/Fusing Unit (PL 7.1) (REP
7.1.1)
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