Ricoh MP 2553 Series Read Me First page 38

4. Appendix
Stand-by
Copying
• Complete system
Stand-by
Copying
• Sound pressure level:
• Main unit only
Stand-by
Copying
• Complete system
Stand-by
Copying
• Sound power level and sound pressure level are actual values measured in
• Sound pressure level is measured from the position of the bystander.
• The complete system consists of the main unit, ADF, lower paper trays, booklet
36
accordance with ISO 7779.
finisher, and bridge unit.
Type 1 Type 2
40.0 dB (A) 40.0 dB (A)
64.8 dB (A) 66.5 dB (A)
Type 1 Type 2
44.0 dB (A) 44.0 dB (A)
68.8 dB (A) 70.5 dB (A)
Type 1 Type 2
34.0 dB (A) 34.0 dB (A)
58.8 dB (A) 60.5 dB (A)
Type 1 Type 2
38.0 dB (A) 38.0 dB (A)
62.8 dB (A) 64.5 dB (A)
Type 3
42.9 dB (A)
67.6 dB (A)
Type 3
44.0 dB (A)
71.6 dB (A)
Type 3
34.0 dB (A)
61.6 dB (A)
Type 3
38.0 dB (A)
65.6 dB (A)