Clean the paper path | HP M1536dnf CE538ABGJ specification

Clean the paper path

During the printing process, paper, toner, and dust particles can accumulate inside the product. Over time, this buildup can cause print quality problems such as toner specks or smearing. This product has a cleaning mode that can correct and prevent these types of problems.

Specks	Smearing

Clean the paper path from HP ToolboxFX

Use HP ToolboxFX to clean the paper path. This is the recommended cleaning method. If you do not have access to HP ToolboxFX, use the control panel method.

1.Make sure that the product is turned on and in the Ready state and that paper is loaded in the priority input tray or Tray 1.

2.Open HP ToolboxFX, click the product, and then click the System Settings tab.

3.Click the Service tab, and then click Start.

A page feeds through the product slowly. Discard the page when the process is complete.

Clean the paper path from the control panel

If you do not have access to HP ToolboxFX, you can print a cleaning page from the control panel.

1.Press the Setup button.

2.Use the arrow buttons to select the Service menu, and then press OK.

3.Use the arrow buttons to select Cleaning Page, and then press OK.

4.Load plain letter or A4 paper when prompted.

5.Press OK again to confirm and begin the cleaning process.

A page feeds through the product slowly. Discard the page when the process is complete.

Clean the scanner glass strip and platen

Over time, specks of debris can collect on the scanner glass and on the white plastic backing. This can affect printing performance. Use the following procedure to clean the scanner glass and the white plastic backing.

1.Use the power switch to turn off the product, and then unplug the power cord from the electrical outlet.

2.Open the scanner lid.

162 Chapter 2 Solve problems

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HP M1536dnf CE538ABGJ manual Clean the paper path, Clean the scanner glass strip and platen

Contents

Laserjet PRO M1530 Page HP LaserJet Pro M1530 MFP Series Copyright and License Trademark Credits Conventions used in this guide Iv Conventions used in this guide Table of contents Remove the upper cover Vii 143 160 177 229 193221 231 247 List of tables Xiv List of figures 42 Remove the laser scanner assembly 1 89 Remove the engine controller PCA 1 123 Remove the document feeder cover 3 Removal and replacement Removal and replacement strategy Introduction Electrostatic discharge Service approachBefore performing service Required tools Parts removal order After performing servicePost-service test Print-quality test 2Parts removal order Scanner and document feeder 3Parts removal order Product base Removal and replacement procedures Print cartridge Pickup roller Separation pad Main tray Transfer rollerCovers Output bin extension 11Remove the output bin extension Remove the left cover Left coverBefore proceeding, remove the following components 15Remove the left cover 4 Enww Scanner assembly Remove the scanner assembly 20Remove the scanner assembly 4 Removal and replacement Scanner hinges 23Remove the scanner hinges 2 Removal and replacement Right cover Remove the right cover Enww 28Remove the right cover 5 29Remove the duplex door Removal and replacement Duplex door Duplex frame Remove the duplex frame Cartridge door Remove the cartridge door 34Remove the cartridge door 3 Enww Front cover Remove the front cover Upper cover Remove the upper cover Remove the formatter PCA Main assembliesFormatter PCA 40Remove the formatter PCA 2 Removal and replacement Fax PCA Remove the fax PCA Laser scanner assembly Remove the laser scanner assembly Enww Enww Reinstall the laser scanner assembly 47Reinstall the laser scanner assembly Pickup assembly Remove the pickup assembly 50Remove the pickup assembly 3 52Remove the pickup assembly 5 Removal and replacement Enww Enww Reinstall the pickup assembly Enww Fuser Remove the fuser 63Remove the fuser 3 Removal and replacement 65Remove the fuser 5 Enww Enww Reinstall the fuser Main motor Remove the main motor Enww 76Remove the main motor 5 Enww Enww Reinstall the main motor drive belt 81Main motor drive belt installed correctly Pickup solenoid Remove the pickup solenoid 85Remove the pickup solenoid 3 Removal and replacement Enww Enww Engine controller PCA Remove the engine controller PCA 91Remove the engine controller PCA 3 Removal and replacement 93Remove the engine controller PCA 5 Enww 97Remove the engine controller PCA 9 Reinstall the engine controller PCA 101Reinstall the engine controller PCA 4 Enww Duplex reverse solenoid Remove the duplex reverse solenoid Enww Enww Main fan Remove the main fan 110Remove the main fan 3 Enww Reinstall the main fan 113Reinstall the main fan Duplex connector PCA Remove the duplex connector PCA 116Remove the duplex connector PCA 3 Enww Scanner components Document feeder input tray Document feeder cover Enww Document feeder pick arm assembly Remove the document feeder pick arm assembly 127Remove the document feeder pick arm assembly 4 Document feeder core assembly Remove the document feeder core assembly Remove one FFC using the blue tab callout Post scan pinch rollers Remove the post scan pinch rollers Document feeder base assembly Remove the document feeder base assembly Enww Document feeder floating hinges Remove the document feeder floating hinges Control panel Solve problems Check the control panel for error messages Problem-solving checklistCheck that the product power is on Test print functionality Test the fax receiving functionality Test copy functionalityTest the fax sending functionality Try sending a print job from a computer Menu map General topic Questions Troubleshooting processDetermine the problem source Power subsystem Power-on checks Engine diagnostics Tools for troubleshootingIndividual component diagnostics Engine test button Perform an engine test Half self-test functional check Components testsDrum rotation functional check Description DiagramsPlug/jack locations Location of connectors 3Engine controller PCA connectors 4Formatter and fax board connectors Locations of major components 5Main assemblies 6Rollers, solenoids, and fan 7PCA locations Cross-sectional view General timing ChartsTiming diagram 9General General circuit diagram Circuit diagram Status HP ToolboxFXView HP ToolboxFX Event log Fax phone book FaxFax tasks Enww Fax receive log HelpFax send log Block Faxes System Settings Device information Paper types Paper handlingPrint quality Service Print SettingsSystem setup Device polling PostScript Network SettingsPCL 5e Internal print quality test pages Print a cleaningConfiguration Control panel menus Print quality troubleshooting toolsSetup menu Repetitive defect ruler Quick Forms menu Reports menu Fax Setup Enww Feature is turned on System Setup menuThis menu item appears only when the private-receive Confirm Fax # Off Ring Volume Medium CancelVolume Settings Alarm Volume Soft Key-Press Volume Loud Phoneline Volume Off Time/Date Service menu Next field Network Setup menuFunction-specific menus Confirmation before moving to the next one. After all three Copy Feature Fax Enww Control panel messages Interpret control panel messagesControl panel message types Turn off then on Fuser ErrorScanner Error Fan Error ADF door is open Doc. feeder jam Comm. ErrorCanceled fax Document feeder door is open Fax is busy Engine comm. ErrorCanceled send Fax memory full Canceling recvRedial Pending Fax recv. error Fax Send error Jam in location Open door and clear jam Jam in cartridge area Jam in output bin Load tray 1 TYPE, Size Jam in print paper pathJam in tray Fax Setup menu. In the Advanced Setup Cleaning Page OK to start Manual duplexService menu. In the Fax Service menu Press OK Hardware error No dial tone No fax answer No fax detected No paper pickup Remove shipping lock from cartridge Resend UpgradePrint failure Remove shipping material from duplex Sensor Error Settings cleared Used cartridge is installed Unexpected size in tray Product picks up multiple sheets of paper Paper feeds incorrectly or becomes jammedProduct does not pick up paper Prevent paper jams Clear jams Jam locations Clear jams from the document feeder Clear jams from the input trays Enww Clear jams from inside the product Enww Clear jams from the output areas Clear jams from the duplexer Enww Enww Select a paper type Use paper that meets HP specificationsImprove print quality Check the print cartridge Print a cleaningType of print cartridge Steps to resolve the problem Print the Supplies Status Inspect the print cartridge for damage Repeating defects HP PCL 6 driver Use the printer driver that best meets your printing needsImprove print quality for copies HP UPD PS driver Enww Clean the product Clean the pickup roller Clean the document feeder pickup rollers and separation pad Clean the paper path from HP ToolboxFX Clean the paper pathClean the scanner glass strip and platen Clean the paper path from the control panel Enww Product prints slowly Product does not print or it prints slowlyProduct does not print Product does not print or it prints slowly Solve network problems Solve connectivity problemsSolve direct-connect problems Computer is using the incorrect IP address for the product Computer or workstation might be set up incorrectly Computer is unable to communicate with the product Open the secondary service menu Service mode functionsSecondary service menu Secondary service menu structure Fax troubleshooting checklist Solve fax problemsProduct resets Enww Code number Description View and interpret fax error codesTroubleshoot fax codes and trace reports View the fax trace report Print individual fax reports Fax logs and reportsPrint all fax reports Set the fax error report Set the fax activity log to print automatically Set the fax confirmation report Change the fax speed Change error correction and fax speedSet the fax-error-correction mode Comm. Error message appears Solve problems sending faxesAn error message displays on the control panel No dial tone Fax is busy message appears Fax memory full message appears No fax answer message appearsDocument feeder paper jam Scanner error Faxes can be received, but not sent Unable to use group dials Unable to use fax functions from the control panelUnable to use speed dials Enww Fax has a dedicated phone line Solve problems receiving faxesFax does not respond An answering machine is connected to the product Voice mail is available on the fax line Answer Mode setting is set to the Manual settingTelephone handset is connected to the product No fax detected message appears Product is connected to a DSL phone serviceProduct uses a fax over IP or VoIP phone service Comm. Error message appears Fax is received but does not print Private Receive feature is onReceive to PC feature is enabled Cannot send or receive a fax on a PBX line Sender receives a busy signalNo dial tone Handset is connected to the product Solve general fax problems Faxes are sending slowly Fax quality is poor Fax cuts off or prints on two pages Product updates Enww Parts and diagrams Whole unit replacement part numbers Order parts by authorized service providersOrder replacement parts Related documentation and software Service parts How to use the parts lists and diagramsCustomer self repair parts Assembly locations Locations of major components 2Rollers, solenoids, and fan 3PCA locations 9Cross-sectional view Covers 5Print engine covers 10Print engine covers Internal assemblies Internal assemblies 1 Internal assemblies Internal assemblies 2 7Internal assemblies 2 12Internal assemblies 2 Internal assemblies 3 8Internal assemblies 3 13Internal assemblies 3 9Internal assemblies 4 Parts and diagrams Internal assemblies 4 14Internal assemblies 4 Scanner and document feeder ADF main assemblies Scanner and document feeder ADF main assemblies 11Document feeder assembly parts Parts and diagrams Document feeder internal components Document feeder internal components Alphabetical parts list 17Alphabetical parts list Alphabetical parts list Paper pickup assembly RM1-7575-000CN Numerical parts list 18Numerical parts list Q7400-00011 Spring, document feeder ADF extension pre-pick RM1-7542-000CN Fuser film assembly, 220 volt Enww Service and support Hewlett-Packard limited warranty statement Page Data stored on the print cartridge End User License Agreement Transfer Enww Customer support Repack the product Product specifications Acoustic specifications Physical specificationsPower consumption Environmental specifications Regulatory information FCC regulations Environmental product stewardship program Return and recycling instructions United States and Puerto Rico Non-U.S. returns PaperMaterial restrictions Enww Declaration of conformity Supplementary Information For regulatory topics only Boise, Idaho USAMarch Certificate of Volatility Volatility Vcci statement Japan Power cord instructions Safety statementsLaser safety Power cord statement Japan EMC statement Korea Laser statement for Finland GS statement Germany Enww New Zealand Telecom Statements Additional statements for telecom fax productsEU Statement for Telecom Operation Additional FCC statement for telecom products US Telephone Consumer Protection Act US Industry Canada CS-03 requirements Enww Enww Symbols/Numerics Index Network JamsMacintosh Enww Enww Page CE538-90986* *CE538-90986