Reset error code sc490 ricoh cl4000dn - Ricoh Aficio CL4000DN, SPC400DN, SPC410DN, SPC411DN, SPC420DN Black Photoconductor Unit (50,000 Yiel...

SOURCE: My printer will only print from bypass tray. Why?

It may be something to do with the paper size settings on printer driver, document print settings or page setup. If for example the computer thinks the paper size is Letter, and the paper in Tray 1/2/3 is A4, it won't print.

SOURCE: SC366 on CL4000DN

I just came across this post, you've likely solved it by now; However it is a "Toner density" error related to your cyan photoconductor. It is a defective connector. Replacing the cyan photoconductor should solve problem.

SOURCE: SC 366 on CL4000DN

cyan problem --check if cyan pcu is set properly or replace cuan pcu(drum)

SOURCE: Error code SC 548 on Ricoh Aficio 1022 copier. Need to reset m/c

sc 548- service call - fusing unit not set properly
the fusing unit connector may be loose.
u can reset the error by entering the service mode (careful -do not change anything )
to enter the service mode press [all clear](yellow button) ,[1],[0],[7],[clear](orange button)and keep the button pressed for about 5 sec.
go in copier options , then mode 5, then option 810
and execute(or 1 & ok)

(careful -do not change anything else)

SOURCE: error code sc490 on aficio sp c410dn

SC490 High Voltage Power High voltage output error Error signal is detected for 10 times consecutively. One of the DC bias outputs for each PCU is shorted or one of the transfer belt bias outputs for [Y], [M] and [C]. • Power leaking • Defective connection • Disconnected cable • Defective PCU • Defective High Voltage Power 1 1. Replace the High Voltage Power 1. 2. Reset the cables and components. 3. Replace the PCU.