Ricoh SP 3710DN Service Manual

Service Call
SM 6-5 M0C3/M0C4/M0C5/M0C6/M0C7
Troubleshooting
6.2.3 SC 4XX (IMAGE TRANSFER AND TRANSFER ERRORS)
No. Type Error Name/Error Condition/Major Cause/Solution
SC491 D Bias leak
An error signal is detected for 0.2 seconds when changing the development unit.
• HVP harness damaged and short circuited
• Defective the HVP
• AIO terminal damaged and short circuited
1. Turn the power OFF and ON.
2. Replace the main board.
3. Replace the transfer roller.
4. Replace the interface harness of the HVP.
5. Replace the HVP.
6.2.4 SC 5XX (MOTOR AND FUSING ERRORS)
No. Type Error Name/Error Condition/Major Cause/Solution
SC520 D Main motor error
• The machine does not detect a main motor lock signal within 2 seconds after
the main motor started to rotate.
• The machine does not release a main motor lock signal within 2 seconds after
the main motor switched off.
• The machine detects a main motor lock signal every 100 msec. for seven
times consecutively, after the main motor started to rotate stably.
• Torque overload
• Defective main motor
• Disconnected or defective motor harness
1. Turn the power OFF and ON.
2. Replace the main motor if the torque load is normal.
3. Clean/replace the AIO and/or fusing unit if the torque load is abnormal.
4. Replace the motor 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