Ricoh G108 Service Manual page 15

4.1.2 SC CODE CLASSIFICATION...........................................................4-2
4.1.3 SC TABLE ........................................................................................4-3
4.2 IMAGE QUALITY.......................................................................................4-8
4.2.1 BACKGROUND ................................................................................4-8
Symptom...............................................................................................4-8
Possible Cause .....................................................................................4-8
Countermeasures .................................................................................4-8
4.2.2 MISSING IMAGE AT EDGE .............................................................4-8
Symptom...............................................................................................4-8
Possible Cause .....................................................................................4-8
Countermeasures .................................................................................4-8
4.2.3 JITTER .............................................................................................4-9
Symptom...............................................................................................4-9
Possible Cause .....................................................................................4-9
Countermeasures .................................................................................4-9
4.2.4 RIBBING.........................................................................................4-10
Symptom.............................................................................................4-10
Possible Cause ...................................................................................4-10
Countermeasures ...............................................................................4-10
4.2.5 WRINKLE/IMAGE MIGRATION .....................................................4-11
Symptom.............................................................................................4-11
Possible Cause ...................................................................................4-11
Countermeasures ...............................................................................4-11
4.2.6 WHITE LINE 1 ................................................................................4-11
Symptom.............................................................................................4-11
Possible Cause ...................................................................................4-11
Countermeasures ...............................................................................4-11
4.2.7 WHITE LINE 2 ................................................................................4-12
Symptom.............................................................................................4-12
Possible Cause ...................................................................................4-12
Countermeasures ...............................................................................4-12
4.2.8 VERTICAL WHITE BAND...............................................................4-12
Symptom.............................................................................................4-12
Possible Cause ...................................................................................4-12
Countermeasures ...............................................................................4-12
4.2.9 BLACK LINE...................................................................................4-13
Symptom.............................................................................................4-13
Possible Cause ...................................................................................4-13
Countermeasures ...............................................................................4-13
4.2.10 VERTICAL LINE ...........................................................................4-13
Symptom.............................................................................................4-13
Possible Cause ...................................................................................4-13
Countermeasures ...............................................................................4-13
4.2.11 VERTICAL LINES NOT ACCEPTABLY STRAIGHT.....................4-14
Symptom.............................................................................................4-14
Possible Cause ...................................................................................4-14
Countermeasures ...............................................................................4-14
4.2.12 BANDING .....................................................................................4-14
Symptom.............................................................................................4-14
SM iii G108