20 Most Recent Ricoh Aficio IS420 Flatbed Scanner - Page 3 Questions & Answers


93300
HRB (Head Relay Board)
fuse blown
Mounted on the top part of the carriage unit.

Ricoh Office... | Answered on Jul 20, 2019


http://www.t-shirtforums.com/dye-sublimation/t683817.html

Quote from web link above for individual who contacted Ricoh for assistance:

Re: Ricoh SG7100 DN Error codes
got the printer sorted, it was a fatal error due to power supply. Old printer returned to Ricoh and new one arrived within 24 hours.
Ricoh SG7100 DN Error codes Shirt Forums

Ricoh Office... | Answered on Jul 20, 2019


Google search suggests either replace cartridges, or change firewall settings.

Ricoh Office... | Answered on Jul 16, 2019


SC491 on a Ricoh SP 210SU is a code for bias leak.

The machine detects that a bias leak has occured from the drum charge, development charge or transfer charge.
PWM signals are sampled at 20 msec. intervals. This SC is issued if 10 PWM samplings within 200 msec. are abnormal.

• HVPS (high voltage power supply) harness loose, broken, defective
• HVPS board defective
• AIO terminal defective (the terminal for the toner cartridge)
• Cycle the machine off/on
• Check all the harness connections of the HVPS
• Check spring-loaded AIO terminal installation behind the HVPS.
• Replace HVPS.

Usually this error is related to the cartridge. Some manufacturers of compatible cartridges will replace the cartridge with a new one.
At least they should give a discount based on how many pages that was printed before it failed.

I have not seen this problem with a new genuine Ricoh cartridge.
It is important that the cartridge is not refilled more then 3 times. There is no counter on this, and companies that refill cartridges they collect (with unknown number of cartridges) may have problems quite often.

Ricoh Office... | Answered on Jul 12, 2019


Your computer is not connected to your home network, your printer is not connected to your home network. That is the way they communicate.

Ricoh Office... | Answered on Jul 11, 2019

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