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General information
1-7
Acoustics
All acoustic measurements are made in accordance with ISO 7779-1999 and reported in conformance with
ISO9296:1988-04-15.
Environment specifications
Operating mode
1-Meter average sound
pressure at 4800 CQ
MF920
MF923
Printing (simplex mono)
46 dBA
46 dBA
Printing (simplex color)
47 dBA
47 dBA
Printing (automatic
duplex mono)
50 dBA
50 dBA
Printing (automatic
duplex color)
50 dBA
51 dBA
Copy ADF (Mono)
50 dBA
49 dBA
Copy ADF (Color)
50 dBA
50 dBA
Scan ADF (Mono)
47 dBA
45 dBA
Scan ADF (Color)
46 dBA
45 dBA
Idle
Inaudible
Inaudible
Quiet Mode (simplex
mono)
45 dBA
45 dBA
Quiet Mode (simplex
duplex)
45 dBA
45 dBA
Environment
Specifications
Operating
Air temperature—operating
15.6 to 32.20° C (60 to 90.0° F)
Air temperature—power off
10.0 to 43.30° C (50 to 110.0° F)
Air relative humidity
Relative Humidity 8 to 80%
Wet bulb temperature—operating
22.80° C (73.0° F) maximum
Web bulb temperature—power off
26.70° C (80.10° F) maximum
Altitude
0–3,048 meters (10,000 ft.)
Atmospheric pressure
74.6 kPa
Ambient operating environment*
15.6 to 32.2° C (60 to 90° F) and 8% to 80% RH
Ship / Storage
Cartridges
-40 to 43.3° C (-40 to 110.0° F)
Printer with cartridges
-40 to 43.3° C (-40 to 110.0° F)
Printer without cartridges
-40 to 43.3° C (-40 to 110.0° F)
Air relative humidity
Relative Humidity 8 to 80%
Altitude
10,300 meters (34,000 feet)
Web bulb temperature—power off
26.70° C (80.10° F) Maximum
* In some cases performance specifications (such as paper OCF, EP cartridge usage) are specified to be
measured at an ambient condition.
Y112730-2
Summary of Contents for d-Color MF920
Page 1: ...SERVICE MANUAL Copiatrici Copiers d Color MF920 d Color MF923 Code Y112730 2...
Page 10: ...x Service Manual Y112730 2...
Page 15: ...Notices and safety information xv Y112730 2...
Page 16: ...xvi Service Manual Y112730 2...
Page 18: ...xviii Service Manual Y112730 2...
Page 22: ...xxii Service Manual Y112730 2...
Page 124: ...2 80 Service Manual Y112730 2...
Page 198: ...3 74 Service Manual Y112730 2...
Page 302: ...4 104 Service Manual Y112730 2...
Page 305: ...Locations 5 3 Interior view Y112730 2...
Page 306: ...5 4 Service Manual Printer boards Controller Board Y112730 2...
Page 317: ...Locations 5 15 HVPS Y112730 2...
Page 319: ...Locations 5 17 LVPS Y112730 2...
Page 324: ...6 2 Service Manual Y112730 2...
Page 331: ...Index I 7 Y112730 2...
Page 332: ...UPDATINGSTATUS DATE UPDATEDPAGES PAGES CODE 09 2010 1ST EDITION 332 Y112730 2...