How to enter service mode in ricoh pro 5100 - Ricoh Aficio AP3800C Laser Printer

SOURCE: The PCU Reset procedure needed

switch the machine off at the switch hold down online and escape while switching on the switch , hold the buttons till you see service mode on screen , you need to go to engine , then drum , there you will find the setting to reset the pcu , or under data log is a function pm counter clear if it is giving you replace pcu on the screen

SOURCE: Ricoh service mode to reset

This is the solution from Ricoh website:

Please press Menu. Then scroll to Maintenance and press Enter. Scroll to Color Regist and press Enter. Scroll to Color Regist Auto Adjust and then press Enter to Auto adjust. If after completing the procedure the error persists, please contact your service representative for support.

I'm told this works as well...
On the main board put dip switch 101-1 on and then off and then enter 97 and press the aps key. Then power cycle the printer.

SOURCE: how to enter service mode in ricoh aficio 3800

Hold down the two arrow keys and count to 5, hit the enter key, the machine should be in serrvice mode if nor repeat. use arrow ke and scroll to machine press enter scroll to data log press enter scroll to pm counter reset presss enter, scroll to fuser oil press enter and exicute this mod Please. DO NOT GO INTO ANY THING ELSE or you could do serious damage to your machine!! If your machine has a Copy feature expander yopt must press Clear mode, Press 1-0-7 and then hold down the stop cancel key 4sec. go into copy sp mode press 7-804-809 press exicute button again Please DO NOT GO ANY WHERE ELSE as damag can be done to your machine. Hope this helps!!

SOURCE: I need to know how to enter the service mode on a Ricoh CL7000

i need to fix a sc 827 code on a ricoh mp 5500

SOURCE: can anyone tell me how

Support information for your printer including drivers and software can be found here:

http://www.ricoh-support.com/enduser/downloads/advsearchresult.asp?type=download&ProdName=Printers


I believe the reset information you are looking for is on pages 49 and 50 of the Maintenance Guide PDF:
http://www.ricoh-support.com/enduser/downloads/downloads.asp?fileid=14386&ricohmodelid=6322&url=http%3A%2F%2Fsupport%2Ericoh%2Ecom%2Fbb%5Fv1oi%2Fhtml%2Foi%2Fre%2Fmodel%2Fcl3500%2Fcl3500en%2Ehtm

Trust this is helpful.