Samsung CLX-9201 Service Manual page 7

4.4.5.4.
4.4.5.5.
4.4.5.6.
4.4.6. Service Functions ........................................................................................................ 4 − 44
4.4.6.1.
4.4.6.2.
4.4.6.3.
4.4.6.4.
4.4.6.5.
4.4.6.6.
4.4.6.7.
4.4.6.8.
4.4.6.9.
4.4.6.10. User Data Management ................................................................................. 4 − 51
4.4.7. SFE (Special Feature Enablement) .................................................................................. 4 − 52
4.5. Error Code and Troubleshooting ................................................................................................. 4 − 53
4.5.1. Ax-xxxx type error code ............................................................................................... 4 − 63
4.5.2. Cx-xxxx type error code ............................................................................................... 4 − 89
4.5.3. H1-xxxx type (DCF) error code.................................................................................... 4 − 119
4.5.4. H2-xxxx (Finisher) type error code ............................................................................... 4 − 131
4.5.5. Mx-xxxx type error code............................................................................................. 4 − 144
4.5.6. Sx-xxxx type error code.............................................................................................. 4 − 164
4.5.7. U1-xxxx type (Fuser) error code................................................................................... 4 − 184
4.5.8. U2-xxxx type (LSU) error code .................................................................................... 4 − 196
4.5.9. U3-xxxx type error code ............................................................................................. 4 − 199
4.6. Image quality problems and solutions ........................................................................................ 4 − 204
4.6.1. Vertical Black Band ................................................................................................... 4 − 207
4.6.2. Vertical White Band, Light Band .................................................................................. 4 − 208
4.6.3. Horizontal periodic Black Band or Dot .......................................................................... 4 − 210
4.6.4. Horizontal periodic Light/Dark Band or Dot ................................................................... 4 − 211
4.6.5. Foggy Image ............................................................................................................ 4 − 212
4.6.6. Light Image.............................................................................................................. 4 − 213
4.6.7. Blurred Image........................................................................................................... 4 − 214
4.6.8. Incorrect color registration ......................................................................................... 4 − 215
4.6.9. Uneven pitch and jitter image ...................................................................................... 4 − 216
4.6.10. Skewed image........................................................................................................... 4 − 217
4.6.11. Blank copy............................................................................................................... 4 − 218
4.6.12. Poor fusing performance ............................................................................................. 4 − 219
4.6.13. Stain on the paper back side......................................................................................... 4 − 220
4.7. Adjusting the LSU skew error .................................................................................................. 4 − 221
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Adjustment .................................................................................................. 4 − 32
ACS (Auto Color Sensing) ............................................................................. 4 − 38
Image Management ...................................................................................... 4 − 39
Main Memory Clear ...................................................................................... 4 − 44
Hard Disk Maintenance .................................................................................. 4 − 44
Count Setting of Large Page ........................................................................... 4 − 44
Toner Save .................................................................................................. 4 − 44
Port ............................................................................................................ 4 − 45
Debug Log................................................................................................... 4 − 45
Capture Log ................................................................................................. 4 − 45
System Recovery .......................................................................................... 4 − 47
TR Control Mode ......................................................................................... 4 − 50
Contents
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