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

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12 If the speck does not come off, dampen the hand wipe with isopropyl alcohol. Use the hand wipe to remove the spot or speck from the transfer drum. Note If you used isopropyl alcohol to clean the transfer drum, you might need to print 50 to 100 pages to clean any residual isopropyl alcohol from the transfer drum. 13 To reinstall the transfer drum, align the arrows on the ends of the drum with the matching arrows on the tracks inside the printer. 14 Push the drum into the printer. Be sure both sides are inserted completely. 15 Swing the lower (green) lever to the left, making sure it clicks into place. 16 Close the right and front doors. 17 When the printer control panel displays READY, reprint the print job to verify the repetitive defect has been eliminated. If cleaning does not eliminate the repetitive defect, contact a local authorized HP dealer or service representative for service. EN Print Quality Problems 201
Cleaning the Post Charger Clean the post charger on the transfer drum if there are light streaks in halftone areas. To clean the post charger 1 Open the right upper door. 2 Locate the post charger unit cleaner by the transfer drum handle. 3 Slide the post charger unit cleaner across the bar several times. 4 Push the cleaner back into place. 5 Close the right upper door. 202 8 Solving <strong>Printer</strong> Problems 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
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Transparencies CAUTION Use only tra
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Colored Media Colored media should
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Printing from Tray 1 Load up to 100
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To print envelopes from tray 1 1 Se
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Orienting Media Orienting Media in
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Printing from Trays 2 (some printer
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9 Ensure that the media size tab on
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Printing from Tray 4 (some printer
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Printing Tips for Tray 4 (some prin
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Using the HP TonerGauge The HP Tone
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4 From the software or printer driv
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Printing Multiple Pages on One Shee
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Quick Sets (continued) Printer Driv
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Deleting a Stored Quick Copy Job Wh
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A stored proof and hold job can als
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Deleting a Private Job A private jo
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Variable Data Printing Some applica
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Print on Backside of Heavy Media Pr
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Managing Fonts and Forms on Disk HP
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108 4 Advanced Printing Features EN
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Using Color The color features of t
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ICC/CMS Some applications and opera
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Adjusting the Print Color and Quali
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Resolution Considerations for Graph
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Adjusting the Color Balance CAUTION
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3 Determine the color adjustment nu
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Overall Color of Circles Correction
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Replacing Printer Consumables Figur
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Consumable Printer Message Page Cou
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128 6 Maintaining the Printer EN
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Message Description Recommended Act
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Page 151 and 152: 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
Page 173 and 174: Problem Curled or wrinkled output C
Page 175 and 176: Problem The multi-bin mailbox will
Page 177 and 178: Problem (The printer is on, but not
Page 179 and 180: Problem The printer is on, but cann
Page 181 and 182: Problem Cannot print a configuratio
Page 183 and 184: Problem Cannot select colors in the
Page 185 and 186: Problem Partial printout Cause and
Page 187 and 188: Problem (Missing colors, continued)
Page 189 and 190: Problem Toner smear Cause and Solut
Page 191 and 192: Problem Vertical bands or very dark
Page 193 and 194: Problem Irregular, raised spots or
Page 195 and 196: Problem (Dull or dark colors on tra
Page 197 and 198: Problem (Repetitive defects, contin
Page 199 and 200: Cleaning the Transfer Drum Perform
Page 201: 5 Lift the drum out of the printer.
Page 205 and 206: Accessories, Options, and Related P
Page 207 and 208: Part Part Number Type / Size Refere
Page 209 and 210: To install a DIMM 1 Synchronous DRA
Page 211 and 212: 8 Insert the formatter board into t
Page 213 and 214: Operating Environmental Specificati
Page 215 and 216: z Paper Usage This printer either h
Page 217 and 218: Material safety data sheet Material
Page 219 and 220: Declaration of Conformity DECLARATI
Page 221 and 222: DECLARATION OF CONFORMITY according
Page 223 and 224: DECLARATION OF CONFORMITY according
Page 225 and 226: VCCI Statement (Japan) Korean EMI S
Page 227 and 228: Laser Statement for Finland Luokan
Page 229 and 230: 228 B Specifications EN
Page 231 and 232: 5. The warranty period begins on th
Page 233 and 234: cleaning, transfer charger 203 clea
Page 235 and 236: dpi, graphics 116 dpi, printer defa
Page 237 and 238: lights, 3000-sheet Stapler/Stacker
Page 239 and 240: print jobs, delayed 48 print jobs,
Page 241 and 242: toner, lines 189 toner, low respons
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8550, 8550N, 8550DN, 8550GN, 8550MFP Printer

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