General timing chart, Timing diagram | HP 100 CE866A guide

86 Chapter 2 Solve problems

Timing chart two consecutive prints on LTR paper (Full-color 1/1 speed mode)

Print command

Operation

STBY

INTR

PRINT

1Cassette pickup solenoid

2Pickup motor

3TOP sensor

4Delivery sensor

5Fuser motor

6Scanner motor

7Main motor

8TOP signal

9ITB_TOP signal

10Primary charging bias

11Carousel motor

12Developing bias

13T1 bias

14T2 roller ITB cleaner solenoid

15T2 bias

LSTR

STBY

Figure 2-4 General	General timing chart
timing diagram

ENWW

Image 104

HP 100 CE866A manual General timing chart, Timing diagram

Contents

Laserjet PRO 100 Color MFP M175 Page HP LaserJet Pro 100 color MFP M175 Copyright and License Conventions used in this guide Conventions used in this guide Table of contents Solve problems Parts and diagrams 101 Appendix C Regulatory information 137 Appendix a Service and support 123Appendix B Specifications 135 Index 149 Enww List of tables Xii List of figures 33 Remove the left-front cover 1 74 Remove the engine controller assembly 2 Scanner and document feeder main assemblies 112 Removal and replacement Removal and replacement strategy Introduction Electrostatic discharge Required tools Service approach Before performing serviceAfter performing service Post-service test Parts removal order ITB 3Parts removal order document feeder Removal and replacement procedures Print cartridges Enww Imaging drum Enww Input tray 4Remove the tray Secondary transfer roller Separation pad assembly Before proceeding, remove the following components Rotate the pickup roller to the service positionPickup roller Remove the pickup roller assembly Covers and document feeder Right cover Left cover 11Remove the left cover 1 Document feeder Remove the document feeder 15Remove the document feeder 3 Enww Document feeder hinges Remove the document feeder hinges Top door, rear-top cover, and delivery cover Remove the top door, rear-top cover, and delivery cover Enww Enww Reinstall the top door, rear-top cover, and delivery cover 24Remove the top door, rear-top cover, and delivery cover 6 Enww Rear door assembly Remove the rear door assembly Rear-lower cover Remove the rear-lower cover Control panel Remove the control panel 32Remove the control panel 3 Removal and replacement Left-front cover Remove the left-front cover 34Remove the left-front cover 2 Removal and replacement Front door Remove the front door Enww Inner cover Remove the inner cover 39Remove the inner cover 3 Removal and replacement 40Remove the inner cover 4 Remove the formatter PCA base model Main assembliesFormatter PCA base model Enww Formatter and wireless PCA plus model Remove the formatter and wireless PCA plus model Enww Fuser power supply Remove the fuser power supply ITB assembly Remove the ITB assembly 50Remove the ITB assembly 3 Removal and replacement 52Remove the ITB assembly 5 Enww Enww 57Remove the ITB assembly 10 Removal and replacement Enww Enww 63Remove the ITB assembly 16 64Remove the ITB assembly 17 Removal and replacement Fuser delivery assembly Position the fuser pressure roller for removal Remove the fuser delivery assembly Enww Enww Reinstall the fuser delivery assembly 71Reinstall the fuser delivery assembly 1 Engine controller assembly Remove the engine controller assembly 75Remove the engine controller assembly 3 Enww 79Remove the engine controller assembly 7 Installing a replacement engine controller assembly Low-voltage power supply assembly Remove the low-voltage power supply assembly Enww 85Remove the low-voltage power supply assembly 5 Enww 89Remove the low-voltage power supply assembly 9 Reinstall the low-voltage power supply Installing a replacement low-voltage power supply Document feeder components Document feeder input tray Document feeder cover Enww Document feeder core Remove the document feeder core 100Remove the document feeder core 4 Post scan pinch rollers Remove the post scan pinch rollers Document feeder base assembly Remove the document feeder base assembly Enww Solve problems Test copy functionality Solve problems checklistTest print functionality Menu map Troubleshooting processes Determine the problem source Power subsystem Power-on checks Component tests Tools for troubleshootingComponent diagnostics Diagrams Locations of connectors Locations of major components 2Cross section view 3External covers and doors base 1External covers and doors base General timing chart Timing diagram General circuit diagram Scanner Ass’y Label Print a Diagnostics Internal print-quality test pages Interpret the Print Quality Calibrate the product Print-quality troubleshooting toolsRepetitive image defects ruler Setup menu System Setup menuControl panel menus Reports menu Enww Low Threshold Service menu Network Setup menu network models only Function specific menus Copy Menu Enww Service mode functions Service menu/Secondary service menuService menu Secondary service menu Secondary service menu structure 3Secondary service menu Product updates Product resetsRestore factory settings Nvram initialization Enww Parts and diagrams Order parts by authorized service providers Order replacement partsRelated documentation and software Supplies part numbers 4Whole-unit replacement part numbers Service partsWhole-unit replacement part numbers How to use the parts lists and diagrams Base product Assembly locationsBase product no optional trays or accessories Covers, panels, and doors 2Covers, panels, and doors Covers, panels, and doors Description Part number Qty Internal assembly Internal assembly 7Internal assembly PCAs PCAs PCAs Scanner and document feeder ADF main assemblies Scanner and document feeder main assemblies 6Document feeder assembly parts Parts and diagrams Document feeder internal components Document feeder assembly parts Alphabetical parts list 11Alphabetical parts list Input tray, assembly ADF CE538-60122 Spring, control panel CE865-00009 Numerical parts list 12Numerical parts list RC3-1287-000 Cover, blanking RM1-7280-000 Right cover assembly Enww Service and support Hewlett-Packard limited warranty statement HP Product Duration of Limited Warranty Hewlett-Packard limited warranty statement Enww Enww Data stored on the print cartridge and imaging drum End User License Agreement Transfer OpenSSL Customer self-repair warranty service Customer support Repack the product Enww Specifications Table B-2Environmental specifications Physical specificationsTable B-1Physical specifications1 Regulatory information FCC regulations Safety Declaration of conformity base models Boise, Idaho USA Declaration of conformity wireless models Radio Enww Certificate of Volatility Hewlett Packard Certificate of Volatility Safety statements Laser safetyVcci statement Japan Power cord instructions Power cord statement Japan EMC statement Korea Laser statement for Finland GS statement Germany Enww Additional statements for wireless products Korean statement Taiwan statement Network Symbols/Numerics 2ndary service menu AccessoriesMacintosh Screwdrivers, required Screws Replacing Page CE865-90968* *CE865-90968