The display always shows phone off hook, The "fax line condition" test failed – HP Officejet Pro 8600 User Manual

Page 127

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The display always shows phone off hook, The "fax line condition" test failed | HP Officejet Pro 8600 User Manual | Page 127 / 254 The display always shows phone off hook, The "fax line condition" test failed | HP Officejet Pro 8600 User Manual | Page 127 / 254
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