Oki B6500 Service Manual

6 – 31
Chapter 6 Principles of Operation
6.3 Fuser Control
6.3.1 Fuser Control
The Halogen Lamp is controllably turned ON and OFF, based on the Fuser control temperature. At
the start of warm-up and when the MAIN MOTOR is at rest, the standby temperature is taken as the
Fuser control temperature. When the MAIN MOTOR is operating except at warm-up, the running
temperature is taken as the Fuser control temperature.
6.3.2 ON/OFF Control of Halogen Lamp
The Halogen Lamp is controllably turned ON and OFF to maintain the Fuser control temperature.
6.3.3 Warm-up of Fuser
The Halogen Lamp is lit up (turned ON) simultaneously with the start of warm-up of the Fuser. When
the temperature of the HEAT ROLL surface (detected temperature of THERMISTER) reaches the
Fuser control temperature (standby temperature), the warm-up of the Fuser is ended.
During warm-up of the Fuser, the MAIN MOTOR is in operation.
6.3.4 Fuser Temperature in Ready State
180 to 185
o
C in Ready (standby) state (During operation, it is higher than 185
o
C.)
6.3.5 Fuser Temperature when Abnormal Temperature (higher or lower) is Detected
Higher temperature: 250
o
C
Lower temperature: 130
o
C

Oki B6500 Specifications

General

Color	No
Duplex printing	Yes
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	8 s
Print speed (black, normal quality, A4/US Letter)	45 ppm
Flash memory	512 MB
Storage media	HDD
Internal memory	128 MB
Maximum internal memory	640 MB
Internal storage capacity	40 GB
Total input capacity	700 sheets
Total output capacity	500 sheets
Maximum input capacity	1800 sheets
Power requirements	230V
Standard media sizes	3\
Power consumption (active)	880 W
Compatible operating systems	Windows, XP (Home, Professional); 2000 (Workstation, Professional, Server, Advanced Server – SP4 +); NT 4.0 (Workstation, Server – SP6 +); ME; 98/98 SE; Mac OS 9.1+/10.1+; Unix (Sun Solaris 8, 7, 2.5; HP-UX 11.0/ 10.20); Linux (Redhat 6.x).
Envelopes sizes	C5, DL
Media weight (tray 1)	60 - 216 gsm
Non-ISO print media sizes	Executive (184 x 267mm), index card, Letter (media size), Statement (140 x 216mm), Legal (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5
Maximum ISO A-series paper size	A4
PCL fonts	86
Printer fonts	PCL, PostScript
Maximum duty cycle	200000 pages per month
Number of PostScript fonts	136
Power consumption (standby)	110 W
Power consumption (printing)	1200 W

Weight and Dimensions

Dimensions (WxDxH)	422 x 465 x 404 mm