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Try replacing the pressure roller HP sensor cable. usually the 3 pin sensor connector cable bad contact.

Did it happens when printing in black and white ? Try replacing the black PCDU if only happen only in color and not mono copy.

Just change the serial number of controller and BCU according to Novita serial number .
The two board serial number must match the Novita serial number

Update firmware using RFUT first , enable SMB V1.0 server on PC, log in using user with password, file must be share with read and write permission.
I have few MPC 3300 still can do SMB on window 10...

You can using Ricoh Firmware Tools to download firmware direct from Ricoh website to your machine

The white locking plunger already wear off, try filing the edge of locking back to 90 degree in order for it to play when the solenoid is activated and release.

using factory SP mode, setting SP3201-01 upper tc limit to 12 and SP3201-02 lower tc limit to 5.5
This will help the toner density of machine

Determines whether the amount of toner is checked during auto process control
with only the TD sensor. With this feature on, the machine uses the TD sensor
only and not ID sensor

confirm the dv tank are rotating, check the two white gear from the front side of pcdu are turning.
If not turning check the solenoid at the back that controlling the black dv tank motor.

BCU NVRAM got corrupted, try replace the nvram from other and change the bcu serial number. Or reprogram the bcu nvram from the defective ones with a good running ones.

I am looking for xerox IV C3375 service manual , anyone willing to help me,
please pm or email me at ctents@gmail.com
Thanks in advance

I am looking for the service manual for xerox colour IV 3375, anybody willing to help me ?
Thanks in advance
my email is service@ctentpg.com

Did you reset with 5810-2 and 1 with service mode 107

Thank you very much, i am just received help from the member

I am looking for service and parts manual for Ricoh MP 3554, if anyone willing to help me, kindly pm me or email me
at service@ctentpg.com. Thanks in advance for helping me.

The magnetic roller is arching to the machine body causing failure of all high tension supply

The front cover won't closed if the pressure lever not engage, anyway thanks for the information, the problem was solved.

Just replaced the yellow pcu unit, the print comes back already either in mono or color.

neither the drum or itb have image on it.
laser unit have been replaced, neither color or mono have image, the motor all turning and no code was displayed

no shutter for this model

mpc 3001 print out blank copy either black or color.
replaced all high tension board for pcu bias and itb, controller board, bcu, io board,
itb contact motor also have been replaced, still the...

Filter out the developer will get rid of the white lines, the developer contain some of the dirty particle the block cause the white lines

enable the port 3670 at firewall setting

check the magnetic clutch of the yellow PCU also ..

usually is the developer problem , if you are not going to replaced it , try sp mode 222-0, lower the value of td sensor reading to 3.0-3.5, this will lead you toner recovering.
try to maintain ...