What is p-01-538 code means in rz 220ui machine?

Thread Riso RZ 220UI Code 96 569

According to info at following link, error code P98-5 on RISO Z series is "hardware error" meaning something is wrong with a part in the machine. http://mfpdoc.com/?l=en&mod=free&chap=erc&brand=Riso&model=RZ%20Series&page=14
Link to service manual: http://mfpdoc.com/?l=en&mod=docs&brand=Riso&strSearch=RZ Series Riso RZ3 Series Service manual Parts Repair download

I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881

someone assist me on what to do here I'm stuck

you have to change the whole unit of your led light. the bar with all those led lights are attached or soldered. hope to be of help.

Here's the manual it will help:
http://downloads.udpcorp.com/filedb/uploads/site/riso/riso_manual_rz200_rz220_rz230_rz310_rz370_RZ390_operation_guide.pdf

our school owns a Riso EZ 200ep machines and their problem with it ; does not want to pull a master roll and give the code error A-06 and -403. Could you please help me on this.

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remove master from the drum and reset the master in the master making unit

If its CR or TR, E-01 is main motor lock. turn off machine and hold reset button in while you turn the machine on again. Make sure your master removal unit and master feed unit are closed corectly.

1-need to find out if image is on the drum, make a copy and stop it open and look is there toner on the drum itself? yes then the problem is with the Seperation

2-No, then the problem is with the Transfer