Question about Ricoh Aficio SP C820DN Laser Printer

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What is sc 565 on a sp c820 - Ricoh Aficio SP C820DN Laser Printer

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Igor Studennikoff

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SC565
*Heat lamp consecutive on error
- Broken main fuser connection
- Check HR thermistors
- Heat roller lamp defective
- Power Supply defective

Posted on May 10, 2014

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Error sc 305 ricoh aficio sp 420dn ?


Hi,

The SC 305 on a Ricoh SP 420DN is related to a AC bias charge error for the magenta color.
The machine sence there is a charge current that is less then
200 ?A is detected.

There are four reasons why this may happen.
• Defective charge roller
• Defective connectors
• Disconnected harness
• Defective high voltage power board 1

Follow this procedure, and see if that does the job.
1. Check the connectors.
2. Replace the PCU for magenta.
3. Replace the drum positioning plate.
4. Replace the high voltage power board 1.

Let me know if you need more info, part numbers and stuff like that.

high voltage supply board 1 sp c420-2rhlv5r3sdqqpeuzs0ozcjtp-5-0.gif

Jul 09, 2017 | Ricoh Office Equipment & Supplies

1 Answer

How do I solve the sc 542 error problem on Ricoh aficio sp 3510dn printer when it does not have an online button or a number keypad?


You need to switch the power switch off.
Hold down either the online & escape or stop/start & escape while switching the machine on.
The machine should start up in service mode.
Select 1 for service mode
Select 5 for mode
Scroll to 810 SC reset and select enter
Select execute.
Switch machine off and on again.

Jun 22, 2016 | Ricoh Aficio SP 3510DN

1 Answer

Error sc 551


Replace both the thermistors and reset SC code

Sep 05, 2014 | Gestetner Office Equipment & Supplies

1 Answer

Ricoh Aficio SP 4100N SC 590 power off on


YOU DONT FOLLOW INSTRUCTIONS VERY WELL,,DO YOU???!!! CALL SERVICE PROVIDER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Aug 13, 2012 | Ricoh Aficio SP 4100N Laser Printer

1 Answer

Sc 990


SC990 [Cause]

Dirty contacts on Upper Right Cover Safety Switches. Toner gets inside the Upper Right Cover Safety Switches, which can lead to lower DC voltage being applied to the Laser Diode. Which leads to:

SC 990 eng_procon.c (when a normal Grayscale pattern was not detected 15 times consecutively during ID Sensor Grayscale pattern check) check with SP 7403 Service Code History look for Detail in history of SC 990.

LD Power not being strong enough to be read by Laser Synchronizing Detector causing a SC 322 or 326 depending upon timing.

5vdc not being fully applied to connector 403 pin 3 on the Laser Diode PCB causing an Open Cover Indication, or 24vdc not being applied fully to connector 107 pin 2 on the PSU PCB causing an Open Cover Indication.

Circuit Explanation: 5vdc (VCCD)is output from connector 403 pin1 of the Laser Diode PCB where it travels through 2 of the Upper Right Cover switches than through 2 of the Front Cover Safety switches before being applied to connector 403 pin 3 of the Laser Diode PCB where it is now used to power the Laser Diode. Lower voltage on pin 3 leads to lower laser diode output which causes the machine to raise LD Power (SP 2-103) when maximum values are reached, laser diode output can not be increased further which can lead to SC 322, SC 326 and/ or SC 990 eng_procon .c. If the voltage drops too low an open door indication is sent to the BICU PCB but a signal is not sent to the IOB PCB which tells the machine which door is open.

Note: An older Drum more than 150,000 copies can also lead to SC 990 by causing incorrect ID Sensor readings

[Resolution]

1. Clean the internal contacts or replace Right Door Safety Switches (2 of Part Number 1204 2521 and 1 of Part Number 1204 2529)

Clean and vacuum the PCU.
Clean the Toner Shield Glass, Charge Roller and ID Sensor.
Check Service history for Drum Life, if over 150,000 replace Drum (Part Number A230 9510)
Reset SP 2103 -1 thru 4 to defaults.(LD Power Adjustments)
Reset SP 2001-1 to its default. (Charge Roller Bias Adjustment)
Execute SP 3001- 2 (ID Sensor Initial Setting)

Sep 08, 2011 | Ricoh Aficio 450 Copier

1 Answer

Sc582


tengo un problema con la maquina ricoh sp c820 el error es sc582

Sep 24, 2010 | Ricoh Aficio SP C820DN Laser Printer

3 Answers

Copier problume.



return SP1-902-1 to 0. Then, the SC will
be cleared.

Sep 23, 2008 | Ricoh Aficio 1085 Laser Printer

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