Ricoh Aficio 1013F Copier "rarer" Questions

...occurs. Thanks Replace Drum or blade(if possible) will fix on most types of copiers/printers, or rarer it is cause of

...worn rollers, a broken gear, or other problem in the drive mechanism will cause such as well. Rarer would be a circuitry problem (motor drive circuit for example). Sorry I can't be more

...most likely cause is burned out quartz lamp. In rare instances the ac power supply has failed. Even rarer, the DC controller is ...