HP 7500A User's Guide Page 126
- Page / 252
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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6. Clean the printhead.
There are three areas of the printhead that need to be cleaned: the plastic ramps on
both sides of the ink nozzles, the edge between the nozzles and the electrical
contacts, and the electrical contacts.
1 Plastic ramps on the sides of the nozzles
2 Edge between nozzles and contacts
3 Electrical contacts
CAUTION: Touch the nozzle and the electrical contact areas only with cleaning
materials and not with your finger.
To clean the printhead
a. Lightly dampen a clean, lint-free cloth and wipe the electrical contact area from
the bottom to the top. Do not go past the edge between the nozzles and the
electrical contacts. Clean until no new ink shows on the cloth.
Chapter 8
122 Solve a problem
- OFFICEJET 7500A 1
- HP Officejet 7500A (E910) e 3
- All-in-One 3
- Copyright information 4
- Hewlett-Packard Company 4
- Acknowledgements 4
- Safety information 4
- Contents 5
- 1 Get started 13
- Eco-Tips 14
- Understand the printer parts 14
- Printing supplies area 15
- Back view 15
- Use the printer control panel 16
- Control-panel display icons 17
- Change printer settings 18
- HP Digital Solutions 19
- Select print media 19
- Select print media 17 21
- Chapter 1 22
- 18 Get started 22
- Load media 24
- Load media 21 25
- Load Envelopes 26
- Load cards and photo paper 27
- Load transparencies 28
- Load custom-size media 28
- Insert a memory card 29
- Maintain the printer 30
- Clean the exterior 31
- 2 Rollers 32
- 3 Separator pad 32
- 28 Get started 32
- Maintain the printer 29 33
- 30 Get started 34
- Turn off the printer 35
- Print documents 36
- Print brochures 37
- Print on envelopes 38
- Print photos 39
- Chapter 2 40
- 36 Print 40
- Print DPOF photos 41
- Print borderless documents 42
- HP ePrint 43
- 40 Print 44
- Scan an original 45
- Scan to a memory card 46
- Scan using Webscan 48
- Copy documents 50
- Change copy settings 51
- Send a fax 52
- Send a fax 49 53
- Chapter 5 54
- Send a fax from memory 55
- Schedule a fax to send later 56
- Receive a fax 58
- Set up backup fax 59
- Poll to receive a fax 60
- Receive a fax 57 61
- Block unwanted fax numbers 62
- Receive a fax 59 63
- Set up speed-dial entries 65
- Delete speed-dial entries 66
- Change fax settings 67
- Set the dial type 69
- Set the redial options 70
- Set the fax speed 70
- Fax over Internet Protocol 71
- Use reports 72
- Print fax error reports 73
- Print and view the fax log 74
- Clear the fax log 74
- Print a Caller ID Report 74
- View the Call History 74
- Use reports 71 75
- Marketsplash by HP 77
- 7 Work with ink cartridges 78
- Replace the ink cartridges 79
- Chapter 7 80
- 76 Work with ink cartridges 80
- Replace the ink cartridges 77 81
- Store printing supplies 82
- Usage information collection 82
- 8 Solve a problem 84
- Obtain electronic support 85
- HP support by phone 85
- 82 Solve a problem 86
- Telephone support numbers 87
- www.hp.com/support 88
- Solve printing problems 90
- Print troubleshooting 91
- Borderless printing 92
- Print troubleshooting 89 93
- 90 Solve a problem 94
- Print troubleshooting 91 95
- Page order 96
- Print troubleshooting 93 97
- 94 Solve a problem 98
- Print troubleshooting 95 99
- Chapter 8 100
- 96 Solve a problem 100
- Print troubleshooting 97 101
- Print quality troubleshooting 102
- 100 Solve a problem 104
- 102 Solve a problem 106
- 104 Solve a problem 108
- 106 Solve a problem 110
- 108 Solve a problem 112
- Vertical streaks 114
- Poor black text 115
- TrueType icon 116
- OpenType icon 116
- 112 Solve a problem 116
- The printer prints slowly 117
- Printhead maintenance 117
- 114 Solve a problem 118
- 118 Solve a problem 122
- 120 Solve a problem 124
- 3 Electrical contacts 126
- 122 Solve a problem 126
- 124 Solve a problem 128
- 126 Solve a problem 130
- Solve paper-feed problems 131
- 128 Solve a problem 132
- Solve copy problems 133
- Copies are blank 134
- Size is reduced 134
- Copy quality is poor 135
- Copy defects are apparent 135
- Solve scan problems 136
- Scan takes too long 137
- Text cannot be edited 138
- Error messages appear 138
- Scan defects are apparent 139
- Solve fax problems 140
- Solve fax problems 137 141
- 1 Telephone wall jack 142
- 138 Solve a problem 142
- Solve fax problems 139 143
- 140 Solve a problem 144
- Solve fax problems 141 145
- 142 Solve a problem 146
- Solve fax problems 143 147
- 3 Telephone 148
- 144 Solve a problem 148
- Solve fax problems 145 149
- 146 Solve a problem 150
- Solve fax problems 147 151
- 148 Solve a problem 152
- 150 Solve a problem 154
- Solve wireless problems 155
- 152 Solve a problem 156
- 154 Solve a problem 158
- Solve wireless problems 155 159
- 156 Solve a problem 160
- EWS cannot be opened 162
- 160 Solve a problem 164
- Solve network problems 165
- 162 Solve a problem 166
- Clear jams 168
- Clear jams 165 169
- Avoid paper jams 170
- A Technical information 171
- Appendix A 172
- 168 Technical information 172
- Printer specifications 174
- System requirements 175
- Media specifications 176
- Set minimum margins 180
- Print resolution 181
- Copy specifications 182
- Fax specifications 182
- Scan specifications 183
- HP Web site specifications 183
- Operating environment 183
- Electrical requirements 184
- Memory card specifications 184
- Regulatory information 185
- FCC statement 186
- Geräuschemission 187
- LED indicator statement 187
- 184 Technical information 188
- Regulatory information 185 189
- Australia wired fax statement 190
- Aviso aos usuários no Brasil 191
- Regulatory model number 192
- Declaration of conformity 193
- Paper use 194
- Plastics 194
- Material safety data sheets 194
- Recycling program 194
- Power consumption 196
- Chemical Substances 196
- RoHS notices (China only) 196
- Third-party licenses 197
- B HP supplies and accessories 202
- HP media 203
- C Additional fax setup 204
- Back view of the printer 207
- Case E: Shared voice/fax line 211
- Serial-type fax setup 226
- Test fax setup 227
- DNetwork setup 228
- Set link speed 229
- View IP settings 229
- Change IP settings 229
- Reset network settings 229
- Test the wireless connection 231
- Change the connection method 231
- Other guidelines 232
- E Printer management tools 235
- About cookies 236
- F How do I? 237
- G Errors (Windows) 238
- Ink Alert 239
- Printhead Problem 239
- Cartridge Problem 239
- Paper Mismatch 240
- Paper Jam 241
- The printer is out of paper 241
- Printer Offline 241
- Printer Paused 241
- Document failed to print 242
- General printer error 242
- Door or cover open 242
- Symbols/Numerics 243
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