How to replace master in a riso - Riso RZ220 Duplicator

Error Codes > Riso > SF5350 > Code C02 253

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Code: C02 253 · Description: The master for the master roll has run out (or is running out). · Causes: No-master error has occurred five times on the same master ...

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Riso MZ790 error C02-253 Replace Master Roll ~

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Dec 30, 2017 - Re: Riso MZ790 error C02-253 Replace Master Roll ~ Hold yellow reset while turning machine on, update firmware, check wire harnesses, etc...

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The P-01-520 error code on a Riso CZ100 indicates a problem related to the master removal detection sensor. This error often occurs when the machine is unable to detect the removal of the master (printing stencil) after a certain period. Here are some steps you can take to troubleshoot and resolve the issue:
1. **Check the Master Removal Area:**
Ensure that there are no obstructions or jams in the area where the master is removed after printing. Make sure the path is clear, and there is no paper or other debris hindering the operation.
2. **Inspect the Master Removal Sensor:**
The P-01-520 error is related to the master removal detection sensor. Inspect the sensor for any visible damage or misalignment. It's typically a small optical sensor located in the master removal area. Clean the sensor carefully with a soft, lint-free cloth.
3. **Check for Broken Parts:**
Inspect the master removal area for any broken or damaged parts, such as gears, levers, or switches. If any part is broken, it may need to be replaced.
4. **Reset the Machine:**
Try resetting the machine by turning it off, unplugging it from the power source, waiting for a few minutes, and then plugging it back in. Power the machine back on and check if the error persists.
5. **Update Firmware (if applicable):**
Check if there are any firmware updates available for your Riso CZ100. Updating the firmware may address certain issues. Refer to the user manual or contact Riso support for information on how to update the firmware.
6. **Contact Riso Support:**
If the issue persists after attempting the above steps, it's recommended to contact Riso technical support or your local authorized service provider. They can provide more detailed guidance, and if necessary, schedule a service technician to inspect and repair the machine.
Always follow the recommended procedures outlined in the user manual for your specific Riso CZ100 model when troubleshooting or performing maintenance. If you don't have the manual, you may be able to find it on the Riso website or by contacting their customer support.

Replace light absorbing sheet (Black strip) on Drum screen sheet & also clean master position sensor , master loading sensor

D-17 indicates incorrect master roll. there's several possibilites for this. the mosty common are:

1. its an incorrect master roll
2. (common) if you look at the back of the drum there's a black coupling jack. check the silver pins. sometimes the pins come undone and push back from making contact. (sometimes not straightenable and must be replaced)
3. (less common) Same issue as above, pins are pushed back on black jack behind master making unit inside of riso. (sometimes not straightenable and must be replaced)
4. (rarely) antenna is loose either inside of drum or from antenna pcb in lower right corner, behind front cover of master making unit.
5. (even more rare) bad rf reader, antenna, cable (usually visably pinched) or antenna pcb

A D17 is incorrect master roll installed. This could be caused by a) it IS the incorrect master roll, or b) the RF tag that is inside the master roll has gone bad. Try a new one in the original packaging to help with diagnoses. Make sure they are RISO Z type master rolls specific for an RZ220.

F01-115 means no master on drum at start of printing. Make sure you make a master before trying to print.

Short answer: You can't. RISO designed it this way so you need to order supplies from them.
Solution: 1-800-942-RISO to order genuine supplies.

make sure that you empty the master disposal box...
also check for this sensor. if it is not present you will need to have it replaced

I have the same problem and can only fix it when I am in the print que and I go to the layout and choose the "page size" a second time after going in the "properties" a second time. For some reason sometimes it does not recognize the page sizes. Let me know if this works for you.

Under the drum and master unit is there a round openning .Take a sckrew driver and push it in there to unlock the master and drum.Remove the jam and switch riso off and on.