Replacing the fuser assembly | Lexmark 622, 620 guide

20 Replacing the fuser assembly

Order a new fuser assembly when toner fog or background shading appears on printed pages. See Ordering supplies for information on ordering a fuser assembly.

Complete the following steps to replace the fuser assembly. Refer to the documentation that comes with the fuser assembly for detailed installation information.

CAUTION: The fuser assembly is hot! Turn the printer off and wait twenty minutes before changing the fuser assembly.

1Turn the printer off, unplug the printer power cord, and wait twenty minutes.

2Remove the top cover and all installed output options. If a duplex unit is installed, remove it.

3Remove the fuser cover.

4Lift up and remove the fuser cleaner.

5Open the rear access door and remove the redrive.

6Remove the old fuser assembly.

Note: For best results, use Lexmark supplies with the printer. If you are in the U.S. or Canada, call 1-800-438-2468 for information about Lexmark Authorized Supplies Dealers in your area. In other countries, contact the place where you bought your printer.

7Install the new fuser assembly and replace the redrive.

8Close the rear access door and replace the fuser cover.

9If you have a duplex unit, reinstall it. Reinstall all output options and the printer top cover.

10Plug the printer power cord into a properly grounded electrical outlet.

11Reset the maintenance counter.

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Lexmark 622, 620 manual Replacing the fuser assembly

Contents

Lexmark T620 and T622 Page Table of Contents Page 201 Paper Jam Disabling Power Saver 205 Printer specifications 206 Vii 207 Viii Printer overview Standard network Fully configured Model configuration Menu Select 3 Return Understanding the operator panel Menu Using the operator panel buttons Using the operator panel to change printer settings Menus Disabled Printing the menu settings Disabling operator panel menus Printing and deleting held jobs Using the Print and Hold function Recognizing when format errors occur Accessing held jobs from the operator panel Confidential jobs Repeat PrintReserve Print Verify Print Menu Select Enter PIN Canceling a print job Printing folio and statement size paper Weight Paper characteristics Recommended paper Choosing preprinted forms and letterhead Unacceptable paper Choosing paper Choosing prepunched paper Choosing labels Choosing envelopes Choosing card stock Choosing transparencies Storing paper Folio2 LetterLegal Executive DL Envelope Universal1¾ Envelope Envelope Grain long1 PaperCard stock Maximum Integrated forms Grain short1Transparencies Labels-maximum2 Integrated Grain longGrain short Labels Finisher output support Paper size Dimensions Short Maximum grainLong Loading print material Loading a paper tray Loading letterhead Without a finisher installed With a finisher installed Trouble-free printing Paper dimensionsLoading the multipurpose feeder Capacity Simplex Duplex Page Stack height limiter Loading envelopes Loading paper and transparencies Neither a duplex unit nor a finisher attached Finisher, but no duplex unit attached Page Closing the multipurpose feeder Loading the envelope feeder Page Page Page Loading the 2000-sheet drawer Tray linking Tips for avoiding paper jams Replacing the print cartridge Replacing the charge roll Replacing the transfer roll Replacing the fuser assembly Replacing the staple cartridge Resetting the maintenance counter Page Print cartridges Maintenance kitOrdering supplies Staples Label fuser cleanerCharge roll Transfer roll Fuser assembly Storing supplies Checking an unresponsive printer Identifying paper jam areas Clearing paper jams Accessing paper jam areas 201 Paper Jam Remove Cartridge Paper Jam Open Rear Door Before reaching the standard output bin While exiting to the standard output bin Paper Jam Check Duplex Page Interior view of duplex unit On the incline surface of a tray or between two trays 24x Paper Jam Check Tray Between three trays Between a tray, the duplex unit, and the integrated tray Page Page 2000-sheet drawer Paper Jam Check MP Feeder At entry into the envelope feeder Paper Jam Check Env Feeder Between the envelope feeder and the printer An output option bin 27x Paper Jam Check Bin Long portion of the paper is visible Short portion of the paper is visible Between output options 28x Paper Jam Paper Jam Check Finisher Staple Jam Check Stapler Clearing staple jams Continue with on Staple guard Problem Action Solving display problems Ready Solving print problems See Print material specifications Material specifications for more details Solving print quality problems Problem Action Job prints, but the top and side margins are incorrect 100 Solving option problems 101 102 Solving network printing problems 103 Resolvingquestions other problems Stop Understanding printer messages104 Busy Canceling JobActivating Menu Changes Bin x Full 106 Change TrayCheck device Connection Delete All Jobs Go/Stop? Clearing Job Accounting StatClose Door or Insert Cartridge Defragmenting 108 Deleting JobsDisabling Menus Disk Corrupted Reformat? 109 Enabling MenusEnergy Conserve Formatting Flash Enter PIN =Flushing Buffer Formatting Disk yyy% 111 Held Jobs may be lostInfrared Insert Staple Cartridge 112 Insert TrayInvalid Network x Code 113 Leave Job FinisherLoad Manual Load Staples LocalTalk MaintenanceMenus Disabled Load Tray No Jobs Found Retry? Network Card BusyNetwork Network x, y Parallel Power SaverNot Ready Overflow Bin Full 117 Priming Failed Retry?Priming Stapler Print Jobs on Disk. Go/Stop? Printing Job Accounting Stat Printing Menu SettingsPrinting Directory List Printing Font List Programming Disk Prog Engine CodeProg System Code Program Flash Ready Hex Queuing Deleting JobsQueuing Jobs Ready 121 Reattach deviceRes Reduced Restore Held Jobs. Go/Stop? Resetting Active BinResetting Printer Resetting Maint Cnt Value Staples Empty Restoring Factory DefaultsRestoring Held Jobs Serial 124 Staples LowStd Bin Full Toner Low USB Tray x EmptyTray x Low Tray x Missing 126 2xx Paper JamDefective Print Cartridge 127 Short PaperRes Save Off Deficient Memory 128 Memory Full 129 ComplexDefective Flash Flash Full Std Par Serial Standard Option x ErrorSoftware Error Unformatted Flash 131 Parallel ErrorPort x Disabled 132 Port x Disabled Port DisabledToo Many Disks Installed Too Many Bins Attached 133 Too Many Flash OptionsToo Many Trays Attached Defective Disk Message Scheduled MaintenanceDisk Full Unformatted Disk 135 Service messageEngine Code CRC Failure 136 Using printer menus Do Not Print Finishing MenuBlank Pages 137 138 CollationCopies Duplex 139 Duplex BindMultipage Border Multipage Order 140 Multipage PrintMultipage View Offset Pages 141 Separator SheetsSeparator Source 142 Staple JobStaple Prime Src 143 Infrared MenuInfrared Buffer 144 Infrared PortJob Buffering Max Baud Rate 145 NPA ModePCL SmartSwitch PS SmartSwitch 146 Transmit DelayWindow Size 147 Cancel JobJob Menu 148 Confidential JobHeld Jobs Prime Stapler Reset Active BinReset Printer Print Buffer 150 LocalTalk MenuLocalTalk Addr LocalTalk Zone LocalTalk BufferLocalTalk Name LocalTalk Port 152 NPA Hosts 153 154 Network Menu 155 Network x SetupMAC Binary PS Network Buffer 156 157 158 Paper MenuAssign Type/Bin 159 Configure BinsConfigure MP Custom Types 160 Envelope EnhanceOutput Bin Overflow Bin Duplex Paper Loading161 162 Paper SizePaper Source Plain Texture Preprint Texture Labels Texture Paper TexturePaper Type 163 Light Normal Heavy Paper Weight164 165 Universal SetupSubstitute Size 166 PCL Emul MenuA4 Width 167 Auto CR after LFAuto LF after CR Font Name Resident Font SourceLines per 168 169 OrientationPitch Point Size 10U PC-8* country-specific 12U PC-850* country-specific Symbol SetTray Renumber 170 171 Parallel MenuAdvanced Status 172 Honor Init 173 Parallel ModeParallel Buffer Standard Protocol174 175 176 Print PS ErrorPostScript Menu Font Priority 177 Quality MenuPictureGrade 178 Print ResolutionToner Darkness 120057600 2400115200 4800138200 9600 19200 38400 Serial MenuBaud 179 180 Data BitsHonor DSR Even Odd None Ignore Parity181 182 Robust XONRS-232/RS-422 183 RS-422 PolaritySerial Buffer Software handshaking Serial Protocol184 Hardware handshaking 185 Setup MenuAlarm Control 186 Auto ContinueDisplay Language Download Target 187 Jam RecoveryJob Accounting Protect 225 Power SaverPrint Timeout 188 189 Staple AlarmPrinter Language Resource Save 190 Toner AlarmWait Timeout 191 Utilities MenuDefragment Flash 192 Factory DefaultsFormat Disk Format Flash Print Fonts Hex TraceJob Acct Stat Print Directory 194 Print Net x SetupPrint Menus 195 USB Menu 196 197 USB Buffer 198 Removing options 199 Removing an output option 200 201 Removing the envelope feeder 202 Removing a paper tray or duplex unit 203 Removing printer or flash memory 204 Removing an option card 205 Disabling Power Saver 206 Printer specificationsDimensions Duty cycle 207 208 Edition noticeTrademarks 209 Safety information 210 With a network cable installedElectronic emission notices 211 Without a network cable installed Laser advisory label Laser notice Energy StarLaser notices United Kingdom Telecommunications Act 213 214 215 Index 216 217 218 219 220