Dot Row Timing Vs Timing Disk And Cam Position - Printronix p300 Maintenance Manual

PAPER
ADVANCE
1 ROW
5.7 MSEC
ONE DOT ROW
TURN
PRINT
AROUND
3 CHARACTERS
LEFT TO RIGHT
14
36 PERIODS PERIODS
18 MSEC 7 MSEC
A
1/2 CAM REVOLUTION (50 MILLISECONDS)
RESYNC
ONE DOT PAPER
ROW ADVANCE
1 ROW
PRINT
5.7 MSEC
TURN
AROUND
2 CHAR
LT TO RT
11
24 PERIODS PERIODS
8.57 MSEC 3.9 MSEC
A
1/2 CAM REVOLUTION (50 MILLISECONDS)
RESYNC
Figure 2–16. Dot Row Timing vs Timing Disk and Cam Position
P300/P600 Principles of Operation
PAPER
ADVANCE
1 ROW
ONE DOT ROW
TURN
PRINT
AROUND
3 CHARACTERS
LEFT TO RIGHT
13
36 PERIODS PERIODS
B
RESYNC
–A–
P300
ONE DOT PAPER
ROW ADVANCE
1 ROW
PRINT
TURN
AROUND
2 CHAR
LT TO RT
10
24 PERIODS PERIODS
B
RESYNC
–B–
P600
REPEAT OF FIRST 1/2 CAM REVOLUTION
C
D
1/2 CAM REVOLUTION (50 MILLISECONDS)
REPEAT OF FIRST 1/2 CAM REVOLUTION
C
D
1/2 CAM REVOLUTION (50 MILLISECONDS)
RESYNC
RESYNC
2–27