Ricoh Aficio SP C440DN User Manual

No. Type Details (Symptom, Possible Cause, Troubleshooting)
547
-01
D Zero cross error (Fusing relay short)
• The zero cross signal is detected three times even though the heater relay is
off when turning on the main power.
• The zero cross signal is not detected for 3 seconds even though the heater
relay is on after turning on the main power or closing the front door.
• The detection error occurs twice or more in the 11 zero cross signal
detections. This error is defined when the detected zero cross signal is less
than 45.
• Defective fusing lamp relay
• Defective fusing lamp relay circuit
1. Replace the PSU.
2. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting)
547
-02
D Zero cross error (Fusing relay open)
• The zero cross signal is detected three times even though the heater relay is
off when turning on the main power.
• The zero cross signal is not detected for 2 seconds even though the heater
relay is on after turning on the main power or closing the front door.
• The detection error occurs twice or more in the 11 zero cross signal
detections. This error is defined when the detected zero cross signal is less
than 45.
• Defective fusing lamp relay
• Defective fusing lamp relay circuit
• Short 24VS fuse
1. Replace the 24VS fuse (FU3/FU4).
2. Replace the PSU.
3. Replace the BCU.
SC Tables
589

Ricoh Aficio SP C440DN Specifications

General

Print Technology	Laser
Resolution	1200 x 1200 dpi
Processor	533 MHz
Supported Operating Systems	Windows, Mac OS, Linux
Weight	32 kg
Print Speed	Up to 42 ppm
Monthly Duty Cycle	150000 pages
Paper Input Capacity	650 sheets
Connectivity	USB 2.0
Paper Sizes	A4, A5, A6, B5, Legal, Letter, Executive
Dimensions	40 cm x 52.85 cm x 42 cm