Ricoh G157 Service Manual page 16

Countermeasures ...............................................................................4-24
4.4.4 RIBBING.........................................................................................4-25
Symptom.............................................................................................4-25
Possible Cause ...................................................................................4-25
Countermeasures ...............................................................................4-25
4.4.5 WRINKLE/IMAGE MIGRATION .....................................................4-26
Symptom.............................................................................................4-26
Possible Cause ...................................................................................4-26
Countermeasures ...............................................................................4-26
4.4.6 WHITE LINE 1 ................................................................................4-26
Symptom.............................................................................................4-26
Possible Cause ...................................................................................4-26
Countermeasures ...............................................................................4-26
4.4.7 WHITE LINE 2 ................................................................................4-27
Symptom.............................................................................................4-27
Possible Cause ...................................................................................4-27
Countermeasures ...............................................................................4-27
4.4.8 VERTICAL WHITE BAND...............................................................4-27
Symptom.............................................................................................4-27
Possible Cause ...................................................................................4-27
Countermeasures ...............................................................................4-27
4.4.9 BLACK LINE...................................................................................4-28
Symptom.............................................................................................4-28
Possible Cause ...................................................................................4-28
Countermeasures ...............................................................................4-28
4.4.10 VERTICAL LINE ...........................................................................4-28
Symptom.............................................................................................4-28
Possible Cause ...................................................................................4-28
Countermeasures ...............................................................................4-28
4.4.11 VERTICAL STAGGERING IMAGE...............................................4-29
Symptom.............................................................................................4-29
Possible Cause ...................................................................................4-29
Countermeasures ...............................................................................4-29
4.4.12 BANDING .....................................................................................4-29
Symptom.............................................................................................4-29
Possible Cause ...................................................................................4-29
Countermeasures ...............................................................................4-29
4.4.13 WHITE BAND ...............................................................................4-30
Symptom.............................................................................................4-30
Possible Cause ...................................................................................4-30
Countermeasures ...............................................................................4-30
4.4.14 TONER DROP..............................................................................4-30
Symptom.............................................................................................4-30
Possible Cause ...................................................................................4-30
Countermeasures ...............................................................................4-30
4.4.15 WHITE SPOT / BLACK SPOT ......................................................4-31
Symptom.............................................................................................4-31
Possible Cause ...................................................................................4-31
Countermeasures ...............................................................................4-31
G157 iv SM