Ricoh MP C307 User Manual

Troubleshooting Guide
509
Symptom Possible cause Necessary actions
All the paper is black. Incorrectly installed PCDU Install the PCDU correctly.
Defective PCDU Replace the PCDU.
Defective HVPS Replace the HVPS.
Defective laser unit Replace the laser unit.
Defective BiCU Replace the BiCU.
Defective main board Replace the main board.
Missing CMY Color
Symptom Possible cause Necessary actions
C, M, or Y is
missing.
Defective PCDU Replace the PCDU.
Loose connection between printer cartridge and
BiCU
Replace the drum positioning
cover.
Image transfer belt not contacting PCDU Check the belt tension unit.
Defective the drum motor: CMY Replace the drum motor: CMY.
Defective BiCU Replace the BiCU.
Light Print
Symptom Possible cause Necessary actions
Printed images are
too weak.
Loose connection between paper
transfer roller and HVPS
Check the connection between the paper
transfer roller and the HVPS.
Dust in the laser beam path Clean the laser beam path.
Image transfer belt not contacting
PCDU
Check the image transfer belt unit.
Defective PCDU Replace the PCDU.
Defective paper transfer roller Repair the paper transfer roller.
Defective fusing unit Replace the fusing unit.
Defective BiCU Replace the BiCU.
Repeated Spots or Lines on Prints
The same spots or lines appear at regular intervals.
Interval Possible cause Necessary actions
At intervals of 33.6 mm (1.32 inches) Defective charge roller Replace the PCDU.
At intervals of 20.9 mm (0.82 inches) Defective development
roller
Replace the PCDU.
At intervals from 55.0 (end) to 55.4 (center) mm
(from 2.16 to 2.18 inches)
Defective paper transfer
roller
Replace the paper transfer
roller unit.

Ricoh MP C307 Specifications

General

Type	Multifunction Printer
Functions	Print, Copy, Scan, Fax
Print Technology	Laser
Print Resolution	1200 x 1200 dpi
Maximum Paper Size	A4
Duplex Printing	Yes
Scan Resolution	600 x 600 dpi
Mobile Printing	Apple AirPrint, Google Cloud Print, Mopria
Operating Systems Supported	Windows, Mac OS, Linux
Print Speed (Black)	30 ppm
Print Speed (Color)	30 ppm
Standard Paper Capacity	350 sheets
Supported Paper Sizes	A4, A5, A6, B5, B6, Letter, Legal
Scanner Type	Flatbed with ADF (Automatic Document Feeder)
Copier Speed (Black)	30 cpm
Copier Speed (Color)	30 cpm
Copy Resolution	Up to 600 dpi
Zoom Range	25% to 400%
Connectivity	Ethernet, USB
Max. Paper Capacity	1, 350 sheets
Display	10.1-inch color touchscreen