8550, 8550N, 8550DN, 8550GN, 8550MFP Printer

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5 Reprint the color adjust page. a b c Press ITEM until PRINT TEST PAGE appears on the display. Press SELECT to print the color adjust page. Re-examine the test page and verify that the color adjustment is correct. z z Verify that the circles with the arrows beside them match their background for each of the color ramps (cyan, magenta, yellow, and black). If another circle matches the background more closely, return to step 4 to reset the values on the printer control panel to the number shown in that circle. Verify that the circles in the neutral axis areas of the test page are neutral gray (gray without a color tint when illuminated by D55 or diffuse sunlight), and then verify that one of the circles in the ramp is a color very close to the background. If the circles are not neutral gray, additional corrections to cyan, magenta, or yellow might be necessary. If there is an overall tint of color in the circles, make the adjustments suggested by the following table. However, the most accurate correction is determined by the circles in the individual black, cyan, magenta, and yellow ramps. EN Adjusting the Color Balance 121
Overall Color of Circles Correction if all Circles are Darker than Background Correction if all Circles are Lighter than Background Cyan tint Reduce cyan Increase magenta and yellow Magenta tint Reduce magenta Increase cyan and yellow Yellow tint Reduce yellow Increase magenta and cyan Green tint Reduce yellow and cyan Increase magenta Red tint Purple or blue tint Reduce yellow and magenta Reduce cyan and magenta Increase cyan Increase yellow For example, if the circles in the neutral axes show a green tint and the circle appears lighter than the background, the magenta ramp should be examined closely to determine if magenta should be increased. Note If the color settings are less accurate when you finish the color adjustment than when you started, reset all color values to 0 (zero) in the printer control panel and try the adjustment again. 122 5 Using Color EN
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8550, 8550N, 8550DN, 8550GN, 8550MF
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Copyright Information © Copyright
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CompuServe Printer drivers, updated
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Asia-Pacific Countries/Regions Aust
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European Customer Support Center La
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HP Customer Care Centers Asia Pacif
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12 EN
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3 Common Printing Tasks Selecting M
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8 Solving Printer Problems Performi
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Paper Handling Note: See “Printer
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Printer Information Configurations
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Locating the Printer's Parts Figure
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Optional Paper Handling Accessories
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26 1 The HP Color LaserJet 8550 Pri
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Printer Control Panel Keys and Indi
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When to Use the Printer Control Pan
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Factory Defaults The following tabl
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Menu Item Factory Default PRINTING
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Menu Item Factory Default COLOR ADJ
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Changing Settings in the Printer Co
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Configuring Media Type and Size Con
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Selecting an Output Bin Select the
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Note If the requested media size is
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Setting the Power Save Mode The Pow
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Setting the I/O Timeout The I/O tim
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Selecting the Display Language Usin
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Interpreting the Configuration Page
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Duplex Registration The duplex regi
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Managing Memory The printer support
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58 2 Using the Printer Control Pane
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z z Do not use media that has alrea
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Tray Location Media Type Media Size
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Bin Media Type Media Size (Common N
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Supported Media Weights and Sizes f
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Preprinted Forms and Letterhead Obs
Page 71 and 72: Transparencies CAUTION Use only tra
Page 73 and 74: Colored Media Colored media should
Page 75 and 76: Printing from Tray 1 Load up to 100
Page 77 and 78: To print envelopes from tray 1 1 Se
Page 79 and 80: Orienting Media Orienting Media in
Page 81 and 82: Printing from Trays 2 (some printer
Page 83 and 84: 9 Ensure that the media size tab on
Page 85 and 86: Printing from Tray 4 (some printer
Page 87 and 88: Printing Tips for Tray 4 (some prin
Page 89 and 90: Using the HP TonerGauge The HP Tone
Page 91 and 92: 4 From the software or printer driv
Page 93 and 94: Printing Multiple Pages on One Shee
Page 95 and 96: Quick Sets (continued) Printer Driv
Page 97 and 98: Deleting a Stored Quick Copy Job Wh
Page 99 and 100: A stored proof and hold job can als
Page 101 and 102: Deleting a Private Job A private jo
Page 103 and 104: Variable Data Printing Some applica
Page 105 and 106: Print on Backside of Heavy Media Pr
Page 107 and 108: Managing Fonts and Forms on Disk HP
Page 109 and 110: 108 4 Advanced Printing Features EN
Page 111 and 112: Using Color The color features of t
Page 113 and 114: ICC/CMS Some applications and opera
Page 115 and 116: Adjusting the Print Color and Quali
Page 117 and 118: Resolution Considerations for Graph
Page 119 and 120: Adjusting the Color Balance CAUTION
Page 121: 3 Determine the color adjustment nu
Page 125 and 126: Replacing Printer Consumables Figur
Page 127 and 128: Consumable Printer Message Page Cou
Page 129 and 130: 128 6 Maintaining the Printer EN
Page 131 and 132: Message Description Recommended Act
Page 161 and 162: 160 7 Printer Control Panel Message
Page 163 and 164: Working with Toner HP recommends th
Page 165 and 166: Figure 16 A B C Upper Left Door Fus
Page 167 and 168: Problem (Media jams, continued) Cau
Page 169 and 170: Problem Media does not feed automat
Page 171 and 172: Problem (Media does not feed from t
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Problem Curled or wrinkled output C
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Problem The multi-bin mailbox will
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Problem (The printer is on, but not
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Problem The printer is on, but cann
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Problem Cannot print a configuratio
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Problem Cannot select colors in the
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Problem Partial printout Cause and
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Problem (Missing colors, continued)
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Problem Toner smear Cause and Solut
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Problem Vertical bands or very dark
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Problem Irregular, raised spots or
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Problem (Dull or dark colors on tra
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Problem (Repetitive defects, contin
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Cleaning the Transfer Drum Perform
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5 Lift the drum out of the printer.
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Cleaning the Post Charger Clean the
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Accessories, Options, and Related P
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Part Part Number Type / Size Refere
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To install a DIMM 1 Synchronous DRA
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8 Insert the formatter board into t
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Operating Environmental Specificati
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z Paper Usage This printer either h
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Material safety data sheet Material
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Declaration of Conformity DECLARATI
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DECLARATION OF CONFORMITY according
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DECLARATION OF CONFORMITY according
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VCCI Statement (Japan) Korean EMI S
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Laser Statement for Finland Luokan
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228 B Specifications EN
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5. The warranty period begins on th
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cleaning, transfer charger 203 clea
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dpi, graphics 116 dpi, printer defa
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lights, 3000-sheet Stapler/Stacker
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print jobs, delayed 48 print jobs,
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toner, lines 189 toner, low respons
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8550, 8550N, 8550DN, 8550GN, 8550MFP Printer

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