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6-2
UP-D2550S (UC,CE)
PRT-11 PP_IN (TP216)
IF-762 PDREQ (TP227)
PRT-11 FDCK (TP209)
PRT-11 FDCK (TP209)
PRT-11 PP_IN (TP216)
IF-762 PDREQ (TP227)
Expanded
The number of FDCK rising
is changed by print data.
Expanded
5.48 ms (line period)
Timing is changed by each line.
PRT-11 FDCK (TP209)
PRT-11 FD 0 through 7
(TP201 through 208)
508 ns
Output system(print) relation point
PP IN signal on the PRT-11 board is the signal that is risen by every print 1 line
output from CPU on the PRT-11 board. The print data demand signal PDREQ to IF-762 board
is output every 1 line (rising down), when receiving the necessary data, the PDREQ signal is
risen.
The print data from IF-762 board is synchronized the FDCK signal and output.
Summary of Contents for UP-D2550S
Page 1: ...DIGITAL COLOR PRINTER UP D2550S SERVICE MANUAL 1st Edition ...
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Page 72: ...10 6 10 6 UP D2550S UC CE IF 762 IF 762 IF 762 A SIDE SUFFIX 11 ...
Page 73: ...10 7 10 7 UP D2550S UC CE IF 762 B SIDE SUFFIX 11 IF 762 IF 762 ...
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