Ricoh SP 330DN Field Service Manual

7.Detailed Descriptions
234
Unit Temperature” in the “Maintenance Mode (SP menu)".
Overheat Protection
The surface temperature of the hot roller is monitored with the fusing thermistor and the non-contact
thermistor (which is kept at a gap of 1mm from the surface of the hot roller).
If the fusing thermistor temperature becomes greater than 235 °C or the non-contact thermistor
temperature becomes greater than 220°C, the CPU cuts off the power to the fusing lamp. At this time,
SC543 or SC553 will be generated.
If the thermistor overheat protection fails, there is a thermostat in series with the common ground line of
the fusing lamp. If the temperature of the thermostat becomes greater than 185 °C, the thermostat
opens, removing power from the fusing lamp. At this time, the machine stops.
[A]: Thermostat: Operation stops when the temperature surrounding the hot roller is more than 185°C.
[B]: Fusing thermistor: SC543 will be generated when the surface temperature of the hot roller is more
than 235°C.
[C]: Non-contact thermistor: SC553 will be generated when the surface temperature of the hot roller is
more than 220°C.

Ricoh SP 330DN Specifications

General

Print technology	Laser
Maximum resolution	1200 x 1200 DPI
Time to first page (black, normal)	7.5 s
Print speed (black, normal quality, A4/US Letter)	32 ppm
Printing colors	Black, White
Maximum duty cycle	- pages per month
Number of print cartridges	1
Page description languages	PCL 5e, PCL 6, PostScript 3
Multi-Purpose tray	Yes
Total input capacity	550 sheets
Total output capacity	125 sheets
Paper tray media types	-
Paper tray media weight	52 - 162 g/m²
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO B-series sizes (B0...B9)	B5, B6
Maximum ISO A-series paper size	A4
USB connector	USB Type-B
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Cabling technology	10/100Base-T(X)
Ethernet LAN data rates	10, 100 Mbit/s
Sound pressure level (printing)	- dB
Market positioning	Home & office
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.72 W
Energy Star Typical Electricity Consumption (TEC)	0.41 kWh/week
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur
Server operating systems supported	Windows Server 2008, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Windows operating systems supported	Windows 10, Windows 7, Windows 8.1

Weight and Dimensions

Depth	392 mm
Width	370 mm
Height	262 mm