Question about Ricoh Aficio 1085 Laser Printer

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I want to increase fils memory

Tthe memory is full and sc 990 apears and iwant to increase the fils memory

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Hello usama you need to delet some files
the software performs an unexpected function
if you want to increase memory you need HDD more than 40 GB search for same kind HDD of your copier

Posted on Sep 12, 2008

  • ma7moud fayed Sep 12, 2008

    possible causes
    sc 990 usually means the hard disk drive is dead it will need to be replaced



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HOW TO CLEAR SC 990 MESSAGE IN RICOH AFICIO 2022 APPEARS WHEN SWITCH ON THE MACHINE?


Hi
I have found this explanation of the error message:-
Description: Software performance error
The software attempted to perform an unexpected operation
.
Causes: • Software defective • Internal parameter incorrect • Insufficient working memory • When this SC occurs, the file name, address, and data will be stored in NVRAM. This information can be checked by using SP7-403. Note the above data and the situation in which this SC occurs. Then report the data and conditions to your technical control center.
This can be confirmed here:
Error Codes Ricoh Aficio 2022 Code 990
and also by changing the drop down menus along the top of the page you can view other errors for your machine and for other models and makes. You can also use the link to get a Service Manual for your machine.
Hope this is helpful, if so would you please register that with Fixya
Cheers

Dec 31, 2014 | Ricoh Printers & Copiers

1 Answer

Hai ....am vivek .please help me dears...i have RICOH Aficio 2045 ...it will appears sc 990. What's the solution for this error?? Plz help me ...


SC 990 is software performance error. This means The software attempted to perform an unexpected operation.
Possible causes:
1. Software defective
2.Internal parameter incorrect
3.Insufficient working memory
4.When SC occurs, the file name, address and data will be stored in NV RAM this information can be checked by using SP 7403. Note the above data and situation in which this SC occurs. Then report the data and conditions to your technical control center.

Apr 23, 2013 | Printers & Copiers

1 Answer

Code sc 990


sofware error, if your machine has A hard drive then format it, if that does not work then update the board firmware, also check the memory, one of those will solve the problem

Oct 29, 2012 | Ricoh Aficio 2027 All-In-One Laser Printer

1 Answer

Sc 990


SC 990 means that the hard drive for the finisher is not working correctly. You will need to replace the hard drive on the rear of the copier > it is used when the finisher is being used. I had one that always showed up even after replacing the HD > I finally, took the finisher off and that was the end of it.... It is time for a new copier..... Good Luck

Sep 15, 2011 | Ricoh Aficio 2035 Copier

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

What should I do to solve error sc 9900 appears when the machine is in operation


[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 02, 2011 | Ricoh Aficio 2035 Copier

1 Answer

990 cod in 1045


990 B Software performance error
The software attempted to perform an
unexpected operation.
• Software defective
• Internal parameter incorrect
• Insufficient working memory
• When this SC occurs, the file name,
address, and data will be stored in
NVRAM. This information can be
checked by using SP7-403. Note the
above data and the situation in which
this SC occurs. Then report the data
and conditions to your technical
control center.

It is a firmware issue u need to upgrade firmware on the copier
ull need a service engineer to do that

Nov 14, 2010 | Ricoh Aficio 1035 Copier

2 Answers

Sc 990 ERROR PROBLEM ON RICOH 2045/2035. how can i solve this problem..


replace drum, drum cleaning blade,charge roller. this will sort Sc 990

Sep 14, 2010 | Ricoh Printers & Copiers

1 Answer

A ricoh 1045 sc990 code says about Hard Drive problem. Where is this located? also please tell me what is and where is located a developer? Thanks in advance.


SC 990 is a software performance error.The software attemted to perform an unexpected operation.Software defective,internal parameter inncorrect or insufucient working memory.SC 990 occues when printing a message dtored in the information box.Avoid by firmware upgrade.This information can be cheked by using SP 7-403.The hard unit is located in rear right side up position of by pass.The developer is under toner botle in developer unit.

Aug 01, 2009 | Ricoh Printers & Copiers

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