Ricoh SP 3710DN Field Service Manual

6.Troubleshooting
176
No.
Type
Error Name/Error Condition/Major Cause/Solution
 Deformed thermistor
 Thermistor not in the correct position
 Defective fusing lamp
1. Reset the SC.
2. Replace the fusing unit.
3. Replace the drawer harness.
4. Replace the PSU.
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC546
D
Unstable fusing thermistor temperature
While the machine is warming-up or printing, the detected temperature stays at
100℃ or less than the target temperature for 5.2 seconds, and this consecutively
occurs 104 times.
Unstable connector contact of fusing thermistor
None
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC547
D
Zero cross error
 The zero cross signal is detected 3 times even though the fusing lamp relay is
off when turning on the main power.
 The number of zero cross signal interrupts do not reach a specified value during
frequency detection.
 The zero cross signal is not detected for 3 seconds even though the fusing lamp
relay is on.
 Defective fusing relay
 Defective fusing relay circuit
 Unstable frequency of the power supply line
1. Check the power supply source.
2. Replace the PSU
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC551
A
Non-contact thermistor error
The thermistor output is less than 0°C for 5 seconds after the fusing lamp turns ON.
Disconnected or defective non-contact thermistor
1. Reset the SC.
2. Replace the fusing unit.
3. Replace the drawer harness.

Ricoh SP 3710DN Specifications

General

Color	No
Duplex printing	-
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
Printer fonts	PCL, PostScript
Printing colors	Black
Maximum duty cycle	- pages per month
Page description languages	PCL 5e, PCL 6, PostScript 3
Total input capacity	300 sheets
Total output capacity	125 sheets
Maximum input capacity	550 sheets
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
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.72 W
Power consumption (printing)	- W
Sustainability compliance	Yes
Sustainability certificates	ENERGY STAR
Sound pressure level (printing)	- dB
Product color	Black, White
Market positioning	Home & office
USB connector	USB Type-B
USB 2.0 ports quantity	1
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)
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
Included cartridge capacity (black)	7000 pages

Weight and Dimensions

Depth	392 mm
Width	370 mm
Height	262 mm