Riso ComColor IS900C Instruction Manual page 97

S35-2069-2, 2070-2, 2071-2 2072-2, 2055 Ink tube failure
2069-2: Pressurized tank ink sensor
2070-2: Pressurized tank ink sensor
2071-2: Pressurized tank ink sensor
2072-2: Pressurized tank ink sensor
2055: The bellows sensor was activated during ink circulation.
Check points
1. Drain down ink completely then supply ink again using TM2711
2. Check for ink leakage from the ink tube around ink bus and head tubes
3. Check whether the air filter has no ink stain
97
K remained ON for more than a particular number of cycles despite circulation
C remained ON for more than a particular number of cycles, despite circulation
M remained ON for more than a particular number of cycles, despite circulation
Y remained ON for more than a particular number of cycles, despite circulation
Ink bus (Ink distributor)
Maintenance
Ink flow