Samsung CLX-9350ND Service Manual page 10

6.2.2 Imaging unit ......................................................... 6-7
6.2.3 Cartridge Transfer Unit .......................................... 6-12
6.2.4 2nd Transfer roller ................................................ 6-15
6.2.5 Fuser Unit ............................................................ 6-16
6.2.6 Pick up/ Retard/ Forward roller ................................. 6-17
6.2.7 Ozone Filter ......................................................... 6-17
6.2.8 Dust Filters ......................................................... 6-18
6.2.9 DADF Rollers (Pick up /ADF/ Retard) ........................ 6-19
6.2.10 MP Pick up / Retard / Forward roller ........................ 6-24
6.3. Cleaning the PM parts
6.3.1 Cleaning the charge scorotron ................................. 6-26
6.3.2 Cleaning the pick up roller ....................................... 6-27
6.3.3 Cleaning the Regi roller .......................................... 6-28
6.3.4 Cleaning the tray1 feed roller .................................... 6-28
6.3.5 Cleaning the tray2 feed roller .................................... 6-29
6.3.6 Cleaning the LSU window ....................................... 6-30
6.3.7 Cleaning the DADF retard rubber pad ........................ 6-31
6.3.8 Cleaning the DADF rollers ....................................... 6-32
chapter 7 Preventive Maintenance (PM)
7.1 Procedure of checking the symptoms .............................. 7-1
7.2 Error code and troubleshooting ....................................... 7-3
7.2.1 Error code and error message ................................. 7-3
7.2.2 Error Code Details ................................................ 7-14
7.3 Image quality problems and solutions .............................. 7-134
7.3.1 Vertical white band / Dark band ................................. 7-137
7.3.2 Horizontal white band / dark band .............................. 7-139
7.3.3 Color spot ............................................................ 7-140
7.3.4 Foggy background ................................................ 7-141
7.3.5 Blurred image ...................................................... 7-142
7.3.6 Incorrect color registration ....................................... 7-143
Contents
................................................ 6-26