Riso RP-255, Technical Manual

Page: 326 / 449

TIMING CHARTS
[ 16 - 31 ]
[Master Cutting Operation]
Start End 2
ON
OFF
Max 450 ms (Error: 203)
Master positioning sensor
Cutter home position
switch
Cutter motor
ON
OFF
ON
OFF
End 1
Print drum
rotates 15
°
.
Print drum
rotates 15
°
.
Max 450 ms
(Error: 204)
Max 450 ms (Error: 203)
Max 450 ms
(Error: 204)
(1)
(2)
(3)
(4)
(5)
(6)
When ON: Master positioning sensor: Open, Master end sensor: Blocked
When the master making operation starts, the cutter home position switch is checked at the start of the
master cutting operation. Error message [A17-209] is displayed if it is ON.
(1) The Master cutting operation starts after the print drum stops at angle A during master loading.
A = 220° + value set in Test Mode No. 284
(2) The cutter motor operates. When the cutter HP switch turns ON temporarily and then OFF again,
the motor stops.
(3) A time-out occurs at 450 ms before the switch goes ON, and error message [T13-203] is displayed.
(4) Likewise, a time-out occurs at 450 ms before the switch goes back OFF again, and error message
[T13-204] is displayed.
(5) The print drum rotates, and the master positioning sensor is checked when the print drum reaches
the 15° position.
If the master positioning sensor is OFF, the process is normal, and master cutting ends.
If the master positioning sensor is ON, master cutting is repeated.
(6) The print drum rotates, and the master positioning sensor is rechecked when the print drum
reaches the 15° position.
If the master positioning sensor is OFF, error message [A03-206] is displayed.
If the master positioning sensor is ON, error message [T13-205] is displayed.
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