7. TroublesA. Typical faulty images7.3.4 Foggy backgroundyp y gStep Section Check item1 Imaging unit HV terminal of imaging2 Dirty on the outside duetoner3 O i i l O i i l i d dB. Troubleshooting procedure3 Original Original is damaged or4 DADF DADF does not lie flat.5 Original glass Original glass is dirty.6 Sh di h t Sh di h t Gl i6 Shading sheet Shading sheet Glass is7 Mirror, lens,exposure lamp,and reflectorsMirror is dirty.8 Lens is dirty.9 Exposure lamp is dirty.10 Reflectors are dirty10 Reflectors are dirty.11 Basic screenquality/ densityThe problem is eliminatimage is produced in thexposure setting.12 The problem has beenthrough the checks of sService ManualCLX-9250/9350 series7-1shootingm Result Actionunit is dirty. Yes Clean the terminal.e to scattered Yes Replace imaging unit withnew onedi t Y Ch i i ldirty. Yes Change original.Yes Change DADF if it isdeformed or hinges arebroken.Yes Wipe the surface cleanwith a soft cloth.di t Y Wi th f ls dirty. Yes Wipe the surface cleanGlass with a soft clothYes Clean.Yes Clean.Yes Clean.Yes CleanYes Clean.ted when thehe manualNo Try another exposurelevel in manual.eliminatedsteps up to 10.No Scan the Chart and checkthe image quality againSAMSUNG ELECTRONICS53
