Ricoh MT-C1 Service Manual page 839

SPECIFICATIONS
Noise Emission: Sound Power Level
Mainframe Only
Standby
Copying
Complete System
Standby
Copying
Mainframe Only
Standby
Copying
Complete System
Standby
Copying
Noise Emission: Sound Pressure Level
Mainframe Only
Standby
Copying
Complete System
Standby
Copying
Mainframe Only
Standby
Copying
Complete System
Standby
Copying
NOTE: The above measurements were made in accordance with ISO 7779. Full
system measurements include the Finisher, LCT, and Mailbox. In the
above stand-by condition, the polygon mirror motor is not rotating.
B064 (60 CPM)
Less than 48 dB (A)
Less than 71 dB (A)
Less than 49 dB (A)
Less than 74 dB (A)
B163/B228
(51 CPM)
Less than 49 dB (A)
Less than 70 dB (A)
Less than 49 dB (A)
Less than 74 dB (A)
B064 (60 CPM)
Less than 38 dB (A)
Less than 57 dB (A)
Less than 39 dB (A)
Less than 64 dB (A)
B163(51 CPM)
Less than 44 dB (A)
Less than 65 dB (A)
Less than 44 dB (A)
Less than 69 dB (A)
Spec-4
B065 (75 CMP)
Less than 48 dB (A)
Less than 71 dB (A)
Less than 49 dB (A)
Less than 74 dB (A)
B140/B142
(60 CPM)
Less than 49 dB (A)
Less than 70 dB (A)
Less than 49 dB (A)
Less than 74 dB (A)
B065 (75 CMP)
Less than 38 dB (A)
Less than 57 dB (A)
Less than 39 dB (A)
Less than 64 dB (A)
B064 (60 CPM)
Less than 44 dB (A)
Less than 65 dB (A)
Less than 44 dB (A)
Less than 69 dB (A)
15 February 2006
B141/B143
(75 CMP)
Less than 49 dB (A)
Less than 71 dB (A)
Less than 49 dB (A)
Less than 74 dB (A)
B065 (75 CMP)
Less than 44 dB (A)
Less than 67 dB (A)
Less than 44 dB (A)
Less than 69 dB (A)