Utax CLP 3521, Service Manual, Page: 20 / 187

2HL/2HM/2HN
1-1-5
21/23 ppm (250-sheet) model
Type ................................................ Desktop
Printing method............................... Electrophotographic four color (CMYK) printing using tandem (4) drum system
Paper weight................................... Cassette: 60 to 120 g/m
2
MP tray: 60 to 220 g/m
2
Paper types*
1
.................................. Cassette:
Plain, preprinted, bond, recycled, rough, letterhead, color, prepunched, high quality,
and custom
MP tray:
Plain, transparency, preprinted, labels, bond, recycled, vellum, rough, letterhead,
color, prepunched, envelope, cardstock, coated, thick, high quality, and custom
Paper sizes ..................................... Cassette:
A4, B5, A5, Folio, 8 1/2"
×
14" (Legal), 8 1/2"
×
11" (Letter), Oficio II, Statement,
Executive, ISO B5, A6, Envelope C5, 16K, and Custom
MP tray:
A4, B5, A5, Folio, 8 1/2"
×
14" (Legal), 8 1/2"
×
11" (Letter), Oficio II, Statement,
Executive, A6, B6, ISO B5, Env. Monarch, Envelope #10, Envelope #9,
Envelope #6, Envelope DL, Envelope C5, 16K, Hagaki, Oufuku Hagaki, Youkei 2,
Youkei 4, and Custom
Printing speeds ............................... Cassette:
A4: 21 ppm
B5, A5, A6: 23 ppm (After 16 pages the printing speed becomes 14 ppm)
Letter: 23 ppm
Legal: 17 ppm
MP tray:
A4: 19 ppm
B5, A5, A6: 20 ppm (After 16 pages the printing speed becomes 14 ppm)
Letter: 20 ppm
Legal: 17 ppm
Duplex printing speed ..................... A4: 11 ppm
B5, A5, A6: 11 ppm (After 16 pages the printing speed becomes 7 ppm)
Letter: 11 ppm
Legal: 8 ppm
First print out time ........................... B/W: 10.5 seconds or less
Color: 12 seconds or less
(Sleep: 35 seconds or less)
Warm-up time (23
°
C, 60%RH) ....... Power on: 44 seconds or less
Sleep (within 3 hours): 25 seconds or less
Paper feed source capacity ............ Cassette: 250 sheets (80 g/m
2
)
MP tray: 150 sheets (80 g/m
2
)
Output tray capacity........................ Top tray: 250 sheets (80 g/m
2
)
Photoconductor............................... OPC drum (diameter 30 mm)
Printing method............................... Semiconductor laser (1 beam)
Charging system............................. Scorotoron plus charging
Developing system ......................... Dual component interactive touch down developing system
Toner replenishing: Automatic from the toner container
Transfer system .............................. Primary transfer: Elasticity intermediate transfer belt (DC bias)
Secondary transfer: Transfer roller (DC bias)
Separation system .......................... Small diameter separation, discharger brush
Fixing system.................................. Heat fusing with a heat roller and a pressure roller
Charge erasing system................... Exposure by eraser lamp (LED)
Cleaning system ............................. Drum: Counter blade
Controller ........................................ PowerPC440-533 MHz
Memory........................................... Standard: 256 MB
Maximum: 1280 MB