Riso RP-255, Technical Manual

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TIMING CHARTS
[ 16 - 3 ]
2. Individual Initialization Operations
[Thermal Print Head Initialization Operation]
When ON: TPH pressure sensor: Blocked
(1) The TPH pressure sensor is checked on starting, and the operation starts from Start 1 if it is ON,
and from Start 2 if it is OFF. At Start 1, the thermal pressure motor operates in the compressing
direction until the TPH pressure sensor goes OFF.
(2) A time-out occurs at 2 seconds here, and error message [T19-207] is displayed.
(3) The thermal pressure motor operates in the release direction until the TPH pressure sensor goes
ON.
A time-out occurs at 2 seconds here, and error message [T19-208] is displayed.
(4) Initialization ends once the TPH pressure sensor goes ON.
Start 1 End
ON
OFF
Start 2
OFF: Start 2
OFF
Max 2 s (Error: 207)
Max 2 s (Error: 208)
TPH pressure sensor
Thermal pressure motor
100 ms
(4)
(2)
(3)
(1)
Compress
Release
1602