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(2) Encoder disk
In the operation of the spacing motor, the PHASE-A and PHASE-B signals are generated
when the encoder disk interrupts the photo sensor.
The LSI divides these edge pulse signals in accordance with the print pitch, and sends
the IPT signal to provide dot-on timing and carriage position detection timing.
1/720"
1/120"
SPU
SPV
SPW
PHASE-A
PHASE-B
1/144"
IPT 10 CPI
IPT 12 CPI
IPT 15 CPI
IPT 17 CPI
IPT 20 CPI
1/180"
1/206"
1/240"
• UTILITY MODE