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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of HP Deskjet 5550, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of HP Deskjet 5550 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of HP Deskjet 5550. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of HP Deskjet 5550 should contain:
- informations concerning technical data of HP Deskjet 5550
- name of the manufacturer and a year of construction of the HP Deskjet 5550 item
- rules of operation, control and maintenance of the HP Deskjet 5550 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of HP Deskjet 5550 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of HP Deskjet 5550, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the HP service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of HP Deskjet 5550.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the HP Deskjet 5550 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
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Page 2
I. Introduction Summary of Assumptions of This Document II. Monochrome Image Quality Pr oblems Blank Print ...................................................................................... 1 Light Print ......................................................................................... 2 Backgrounding ....................................[...]
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Page 3
5. Fine V ertical Black Line(s) • Cartridge malfunction u Replace toner cartridge • Scratched fuser roller or sleeve u Get printer service • Soiled copy scan lens (copier , fax, mpf, all-in-one only) u Clean copy scanner lens 6. Irregular Dark V ertical Line(s) • Damaged or stained fuser roller or sleeve u Replace fuser • Cartridge malfun[...]
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Page 4
12. Random Spots or Sprinkles • Debris in cartridge u Replace toner cartridge • Leaking cartridge u Replace toner cartridge • Dirty printer u V acuum or wipe toner from paper path (See Procedure #33) u Get printer service cleaning 13. Ghosting Image 2 to 6 per page spacing • Cartridge malfunction u Replace toner cartridge • Internal print[...]
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Page 5
III. Color Laser Printer Image Quality Problems 22. Blank Prints (No Error Code) Any HP Color LaserJet printer: u Check that all toner cartridge seals and chocks have been removed u Run Configuration (Diag- nostic) Page (See Procedure #34) u T ry different software application, driver , network connection u Get printer service Specific HP Color L[...]
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Page 6
26. Faded Lines, Streaks, Ar eas Down Page (continued) 4500/4550 only • All but black imaging lost u Get printer service (clutch CL2 problem) 8500/8550 only • Faded black imaging, colors OK u Get printer service (bent black cartridge support bracket) 1600/2600/2605 or 3000/3600/3800 Series • Faded red tones* u Get printer service (clouded las[...]
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Page 7
4. Never place a toner cartridge near a light source, damage to the drum will occur . 5. (Color machines only) Identify the color cartridge slot into which the toner cartridge will be inserted. 6. Gently and fully insert the toner cartridge in the printer , noting the proper positioning for insertion. 33. Cleaning a Laser Printer CAUTION: Depending[...]
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Page 8
5. Wait for the calibration to complete. 6. Print a page and observe changes. Repeat this procedure if needed. V . Associated Printing Issues 38. Environmental Specifications CAUTION: Print quality problems might be due to abnormal work environment, for example, excessively humid or dry conditions. V erify that the printer is in a work environment[...]