Service manual

I-17
11.3 EMI
♦ 100V system (JPN)
VCCI Class B
♦ 120V system (US)
FCC Part 15, Subpart B, Class B (ANSI C63.4)
♦ 220V / 240V system (EC)
EN55022 (CISPR Publication 22), Class B
11.4 Noise
Noise of printing (including simplex, duplex, with option) is as follows.
Printer
(simplex / duplex)
Option
1 Tray Feeder Unit
(simplex / duplex)
Option
Feeder Unit
(simplex / duplex)
Process
speed
Sound
pressure
level
(By Standar)
Sound
powerlevel
Sound
pressure
level
(By Standar)
Sound
powerlevel
Sound
pressure
level
(By Standar)
Sound
powerlevel
Full
speed
55dBA 6.7B 55dBA 6.8B 55dBA 6.9B
Half
speed
52dBA 6.45B 53dBA 6.7B 53dBA 6.7B
Noise of ready mode is as follows.
Sound pressure level (By Standar) 36.5 dBA or less *1
Sound power level 4.95 B or less *1
*1 Both fuser fan and rear fan are on the status of half speed rotation. FAN stops
depending on the status of fuser, and the noise level at this time is the same as
background noise.
12. PRINT IMAGE QUALITY
12.1 Image Quality Guarantee Conditions
The image quality is specified and guaranteed under the following conditions.
12.1.1 Environmental conditions
Environment condition for general office
Temperature: 15-28 °C
Humidity: 20-70%RH
Environment condition for evaluating image quality
Temperature: 10-32 °C
Humidity: 15-85%RH