Jam Errors (A**) - Riso MZ870 Technical Manual

2-1.

Jam errors (A**)

Error type A01 [Master feed error]
A01-***
Panel display
Master Mis-Feed
Pull Out Master Making Unit and Rewind Master Roll, then Reset Master in Place.
Error reset
Master-making unit sensor: OFF -> ON and Master positioning sensor: OFF
method << Reset the master to cancel the error. >> (Or switch power OFF, then ON.)
Error point
During master settings, cutting, or making, the master positioning sensor does not switch ON, even after
201
the master is sent.
During master setting or at the start of the master-making operation, the master positioning sensor does
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not switch OFF, even when the master is rewound for the set time.
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The master positioning sensor is ON during standby.
Although the write pulse motor has completed the operation in sensor stop mode, the logical value of the
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sensor at the arrival point does not match the design value, or the operation fails to complete in counter
stop mode within the specified time (faulty gate array control).
Master end sensor went OFF after detecting the master end tape, but the master end sensor detected
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the end tape again.
Error type A02 [Master loading error] (Drum No.1)
A02-***
Master Loading Error
Panel display
Pull Out Print Cylinder 1 and
Discard Master
First print drum connection signal: ON -> OFF and first print drum safety SW: ON -> OFF
Error reset
<< Pull out the print drum to cancel the error. >>
method
* If the print drum is at position B when this error occurs, the print drum lock is automatically released.
Error point
The master loading sensor was OFF when the presence of master was checked at the specified angle
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during master-loading operation.
Error type A04 [Master removal error] (Drum No.1)
A04-***
Master Disposal Error
Panel display
Pull Out Print Cylinder 1 and
Discard Master
First print drum connection signal: ON -> OFF and first print drum safety SW: ON -> OFF
Error reset
<< Pull out the print drum to cancel the error. >>
method
* If the print drum is at position B when this error occurs, the print drum lock is automatically released.
Error point
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Print drum check request when the master removal error or removed master jam detected.
Error detecting condition
Error detecting condition
Error detecting condition
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