Ricoh D0C6 IM350

Image problems may appear at regular intervals that depend on the circumference of certain components.

The following diagram shows the possible symptoms (black or white dots at regular intervals or other problems).

Problems	Intervals	Defective parts
Problems with the printed result (other than black or white dots)	113.1 mm	Paper feed roller
	62.83 mm	Separation roller
	82.47 mm	Bypass feed roller
	48.44 mm	Relay roller (Drive)
	43.98 mm	Relay roller (Driven)
	51.18 mm	Registration roller (Drive)
	37.7 mm	Registration roller (Driven)
	29.8 mm	Charge roller
	50.00 mm	Image transfer roller
	93.2 mm	Hot roller
	41.15 mm	Paper exit/reverse roller
	45.08 mm	Fusing exit roller
	45.08 mm	Duplex entrance roller
	38.00 mm	Duplex relay roller
	38.00 mm	Duplex exit roller
Black or white dots	48.1 mm	Development roller
	94.4 mm	Drum