Epson LQ 1050 Technical Manual - Page 95

Operaiton

Get Epson LQ 1050 - B/W Dot-matrix Printer PDF manuals and user guides View all Epson LQ 1050 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 95 highlights

REV.-A Home Position Seek Operation The function which moves the carriage to the home position after CPU inputs RESET signal is called home position seek. This is operated by driving the carriage motor. Figure 2-41 shows the operation flow and Figure 2-42 shows the phase state of home position seek. Set 2-2 phase excitation [ with 2134 PPS of the CR \ \ motor. I 0. 68A Hold the CR motor until 20-30 ms. Move the carriage from right to left 4 steps. b) I No QA Decelerate the carriage until it stops. Confirm the phase excitation state of the CR motor. I Set the phase excitation state to firmware flag. I Figure 2-41. Home Position Seek Operaiton 2-51

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
REV.-A
Home Position Seek Operation
The function which moves the carriage to the home position after CPU inputs RESET signal is called
home position seek. This is operated by driving the carriage motor. Figure 2-41 shows the operation
flow and Figure 2-42 shows the phase state of home
position seek.
Q
A
[
Set 2-2 phase excitation
with 2134 PPS
of
the CR
\
\
motor.
I
0. 68A
Hold the CR motor until
20-30 ms.
Move the carriage from
right to left 4 steps.
b)
I
No
Decelerate the carriage
until it stops.
Confirm the phase
excitation state
of
the
CR motor.
I
Set the
phase excitation
state to firmware flag.
I
Figure 2-41. Home Position Seek
Operaiton
2-51