HP C7280 User Guide - Page 195

Solution, Contact HP, Cause, Maximum dpi, High Resolution - paper feed problems

Page 195 highlights

Chapter 15 Solution: Clean the print head, and then print a self-test report. Check the color blocks in the report for any problems. If the color blocks show print quality problems, perform a printer alignment. If the problem persists after cleaning and aligning, contact HP support for help. Go to: www.hp.com/support If prompted, choose your country/region, and then click Contact HP for information on calling for technical support. For more information, see: • "Clean the print head" on page 162 • "Print a self-test report" on page 149 • "Align the printer" on page 161 Printouts have horizontal streaks or lines Cause: The paper is not feeding properly or is loaded incorrectly. Solution: Make sure the paper is loaded correctly. For more information, see: "Load full-size paper" on page 76 Cause: The copy or print paper type setting is incorrect. Solution: Load high-quality paper in the input tray and print the image with a high print quality setting, such as Best, Maximum dpi, or High Resolution. Always make sure the paper you are printing on is flat. For best results when printing images, use HP Premium Plus Photo Paper. If the problem persists, use the software you installed with the HP All-in-One or another software application to rotate your image 180 degrees so that the light blue, gray, or brown hues in your image do not print at the bottom of the page. For more information, see: "Information on paper" on page 171 Cause: The sending fax machine is having problems. Solution: Ask the sender to check their fax machine for any problems. Cause: The phone line connection is noisy. Phone lines with poor sound quality (noise) can cause print quality problems. Solution: If the failure was due to noise on the phone line, contact the sender to have them resend the fax. The quality might be better when you try again. You can check the sound quality of the phone line by plugging a phone into the telephone wall jack and listening for static or other noise. If the problem persists, contact your telephone company. Troubleshooting 194 Troubleshooting

  • 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
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
  • 264
  • 265
  • 266
  • 267
  • 268
  • 269
  • 270
  • 271
  • 272
  • 273
  • 274
  • 275
  • 276
  • 277
  • 278
  • 279
  • 280
  • 281
  • 282
  • 283
  • 284
  • 285
  • 286
  • 287
  • 288
  • 289
  • 290
  • 291
  • 292
  • 293
  • 294
  • 295
  • 296
  • 297
  • 298
  • 299
  • 300
  • 301
  • 302
  • 303
  • 304
  • 305
  • 306
  • 307
  • 308
  • 309

Solution:
Clean the print head, and then print a self-test report. Check the color
blocks in the report for any problems. If the color blocks show print quality problems,
perform a printer alignment.
If the problem persists after cleaning and aligning, contact HP support for help. Go
to:
www.hp.com/support
If prompted, choose your country/region, and then click
Contact HP
for information
on calling for technical support.
For more information, see:
Clean the print head” on page 162
Print a self-test report” on page 149
Align the printer” on page 161
Printouts have horizontal streaks or lines
Cause:
The paper is not feeding properly or is loaded incorrectly.
Solution:
Make sure the paper is loaded correctly.
For more information, see:
Load full-size paper” on page 76
Cause:
The copy or print paper type setting is incorrect.
Solution:
Load high-quality paper in the input tray and print the image with a high
print quality setting, such as
Best
,
Maximum dpi
, or
High Resolution
. Always make
sure the paper you are printing on is flat. For best results when printing images, use
HP Premium Plus Photo Paper.
If the problem persists, use the software you installed with the HP All-in-One or
another software application to rotate your image 180 degrees so that the light blue,
gray, or brown hues in your image do not print at the bottom of the page.
For more information, see:
Information on paper” on page 171
Cause:
The sending fax machine is having problems.
Solution:
Ask the sender to check their fax machine for any problems.
Cause:
The phone line connection is noisy. Phone lines with poor sound quality
(noise) can cause print quality problems.
Solution:
If the failure was due to noise on the phone line, contact the sender to
have them resend the fax. The quality might be better when you try again. You can
check the sound quality of the phone line by plugging a phone into the telephone wall
jack and listening for static or other noise. If the problem persists, contact your
telephone company.
Chapter 15
194
Troubleshooting
Troubleshooting