Riso ComColor IS900C Instruction Manual page 47

W70-0247-3
If you open and close the front cover during the test mode, and then if you perform the test mode 2405
(BP unit move up) or TM2437 and TM2439 (maintenance unit action), W70-0247-3 will be displayed.
Enter the test mode
If you back to normal screen at once
Back to normal mode
47
Open the front cover and close
after close the front cover, TM2405 should work correctly.
TM2405 should work
W70 occurs when perform TM2405
Explanation
Error code