Question about Riso RZ220 Duplicator

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Machine is not working

When you switch on the machine it is bringing error code p-10 and number 520. What should I do

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That is a problem with the main moter encoder. It might be that the striper finger is stuck in the clamp.

Posted on Feb 18, 2008

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You will need service manual available at type in model

Posted on Jan 13, 2008


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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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Risograph having error code t95-056

this is a serious problem .. this means that the serial # on the boards for your machine dont match.
you can try this but it may not work. turn the machine on holding the left and right print position arrows. press the yellow clear button 1 time to bring the display to all 0000
then enter the following codes eactly as i say or you can do irreversible damage to your machine.
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E 7 error code is displayed on my SportsArt 1210 treadmill. When keep it turned off for a long time, then the machine works fine but if I switch if off and back on again, E 7 is displayed and nothing...

i have the same treadmill with an error 10 message. i have the booklet that came with it and it says that an error 7 message indicates(too much to write). I can fax the error message page and the wiring schematic to you. my email is not posting my number here.

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C440 error in toshiba e studio232

turn off the machine. turn of the main power switch. turn it on holding down the 0 and 8 keys. when the machine turns on and comes to ready input the number 400 and press start. you will see a number from 1 to 30 note this number it may be important later on. press the number 0 and then press the ente key on the display. turn the machine off and back on normally. the machine should work. if it does not you will need a part. when you call for service make sure to tell them that in 08-400 you got a vale of whatever that number said. it will help them bring the appropriate parts.

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2 Answers

I have had fault code 10 come up on the machine. Also reads require service

Hi just read your posting.Could you please supply the model number of your machine which is located on a sticker at the back of the machine up top.Error Code 10 means your fault on your machine is Thermistor Error.Please reply with model number and I can guide you throe the steps to rectify this fault.

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How to clear error code c 3421 on konica bizhub c253

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To Reset:
1. Turn OFF the main power switch.
2. Turn main power switch ON while pressing the Utility/Counter key.
3. Touch [Trouble Reset].
4. Check to make sure that [OK] is displayed and the it has been reset.
5. After turning off the main power switch, turn it on again more than 10 seconds after and check if the machine starts correctly.

If error code returns a technician is needed to replace fuser section. Call local dealer with error code and tell them to make sure a tech brings a fuser assembly.

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1 Answer

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Follow the next steps carefully and the error code SC546 will disappear.
Press the following keys by this order:

1. press the (yellow key) [Clear]
2. press then the numbers on the numbers key by order (1)-(0)-(7)
3. press the red key (cancel) [C] and hold it pressed for about 5 seconds.
4. on the screen will appear another menu different from the one
you are
familiarized it will write up in the left corner [service menu],
(if the service menu do not appear repeat the procedure again).
After this menu will appear turn off the machine from the red switch which is located somewhere in the middle of the machine and just by the left corner (the turn off switch-plug) wait for 10 seconds and turn back on the machine by the same switch-plug.

After this the error code SC546 should be disappear.

Please Answer does this was helpful for i to know does the problem has disappear or i should post some other information.


Jan 12, 2010 | Ricoh Aficio 450 Copier

2 Answers


this is a low fuser temerature code you can reset it by the following method:
1. on the right side of the machine there is a small cover you can remove next to the network card it just clips on pull down on the small lever and pull it down
2. once the cover is removed you will see a connector and a small hole with a switch in it to the right of the connector push the switch with a small object like a ball point pen.
3.when a small dot appears on the touchscreen hit the number 3 on the number pad.
4.enter the 8 digit service code which is 00000000 and touch end.
5. select trouble reset to reset the error code.
if the error code reccurs you will need to replace the fuser unit but i have seen the machines show this error when they are turned on while the room temp is cold first thing in the morning.

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