LaserJet 4100 Printer Service Manual
This manual contains the necessary information to service the LaserJet 4100 Printer Contents: 1 Product information
Printer features
Product compatibility matrix
Identification
Model and serial numbers
Site requirements
Installation requirements
Environmental requirements
Print media specifications
Supported types of print media
Types of print media to avoid
Weight equivalence table
Adhesive labels
Overhead transparencies
Envelopes
Card stock and heavy paper
Safety information
Toner safety
Laser safety
Regulatory information
2 Service approach
Service approach
Parts and supplies
Ordering information
Printer documentation
HP direct ordering for genuine HP parts
Exchange program
Consumables
World Wide Web
HP service parts information compact disc
HP support assistant compact disc
Toner cartridge information
Warranty statement
Printer warranty
Limited warranty for toner cartridge life
3 Printer operation
Using the control panel
Control panel layout
Control panel lights
Control panel keys
Settings and defaults
Control panel menus
Quick copy jobs menu
Private/stored jobs menu
Information menu
Paper-handling menu
Printing menu
Print quality menu
Configuration menu
I/O menu
EIO menu (networked printers)
Resets menu
Service mode
Service menu
Page count
Maintenance count
Maintenance interval
Serial number
Cold reset paper
Diagnostics
Clear event log
Top margin
Tray 1 left margin
Trays 2 and 3 left margin
Testing the printer
Engine test
Resetting the printer
Cold reset
Clearing NVRAM
Initialization of NVRAM
Initialization of the hard disk
System configuration
MS-DOS system configuration
Parallel DOS commands
4 Printer maintenance
Cleaning the printer and accessories
Using the printer cleaning page
Using the auto-cleaning page
Cleaning spilled toner
Performing printer maintenance
Reset maintenance count
Expected life of components
5 Theory of operation
Power supply system
AC/DC power distribution
Overcurrent/overvoltage protection
Fuser over-temperature protection
High-voltage power distribution
Toner-cartridge detection
Cartridge memory
Engine controller system
Engine controller board inputs and outputs
Laser/scanner drive
Paper-motion monitoring and control
Solenoids, sensors, clutches, and switches
Engine test print
Motors
Formatter system
PowerSave
Resolution Enhancement technology
EconoMode
Input/output
CPU
Printer memory
DIMM slots
PJL overview
PML
Control panel
Image formation system
Toner cartridge
Photosensitive drum
Writing the image
Developing the image
Transferring the image
Image fusing/variable fusing temperature
Paper feed system
Clutches and sensors
Printing from tray
Printing from tray
Printing from the optional 500-sheet tray
Envelope feeder
Duplexer
Jams
Other controls
Environmental detection
Basic sequence of operation
6 Removing and replacing parts
Removal and replacement strategy
Required tools
Tools
Other helpful tools
Removing covers
Rear right side cover
Control panel
Top cover
Left side cover
Front right side cover
Rear cover/rear output bin
Tray 1
Removing internal assemblies
Fuser
Firmware DIMM
Formatter assembly
Output delivery assembly
Laser/scanner
Cartridge memory
Fan
Main motor
Transfer roller
Tray 1 pickup roller
Tray 1 pickup assembly
Right side toner cartridge guide
Registration assembly
Paper feed assembly
Printer drive assembly (gear train)
Delivery drive assembly
Separating the engine module from the paper-feed module
Engine controller board
Paper-feed guide assembly
Removing tray assemblies
Paper-feed rollers for trays 2, 3, and 4
Separation rollers for trays 2, 3, and 4
Tray 2 paper-feed module disassembly
Tray 3 and 4 paper-feed module disassembly
7 Troubleshooting
Troubleshooting process
Troubleshooting flowchart
Troubleshooting flowchart (continued)
Troubleshooting the printing system
Preliminary operating checks
Power on
Engine test
Display
Event log
Printer messages
General paper-path troubleshooting
Information pages
Image quality
Image system troubleshooting
Reference diagrams
Locations of components
Paper path
Engine controller board
Paper-size detection switches
Motors and fans
Connectors
PCAs
Sensors, switches, and thermistors
Solenoids and clutch
Timing
8 Parts and diagrams
How to use the parts lists and diagrams
Accessories and supplies
Common screws and replacement cables
Illustrations and parts lists
Alphabetical parts list
Numerical parts list
Index FORMAT: Scanned Copy
ZIP archive: 57 680 kB
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| mauro albanese | 2020-10-22 13:26:46 | | Just over a week ago, I figured I was going to be in the market for a new printer. When the error message came up on my Epson XP-610 stating that "Parts inside the printer are at the end of their useful life" I initially was quite disappointed. However, after a quick Google search for that phrase, I came across the OctoInkjet website. After a little further research, I decided to give the trial waste ink counter reset code a shot - after all, what did I have to lose - and, somewhat to my surprise, it worked! Knowing that I then needed to purchase a new set of ink pads and a reset key to fully resolve my printer issues, I was pleasantly surprised at the low cost of purchasing both of these items together. I then placed my order, but knowing that the product was coming from overseas (I'm in the USA), I figured it would be a minimum of at least a few weeks before my printer pads arrived. But, lo and behold, the pads arrived on my doorstep in just over a week! I was thrilled and so I quickly replaced the pads in my printer with the new set (which, by the way, were a perfect fit and the instructions provided were excellent), ran the counter reset program applying the reset code I had purchased, and everything worked flawlessly! So now it feels like I have a brand new printer (although it's probably about 5 years old) and I can continue to purchase inexpensive third party ink cartridges (which I have always done), continuing to save me money for years to come. Thank you OctoInkjet!!! I will certainly be telling others to check out your product. P.S. - I seldom write product reviews so this shows how impressed I am with this product. I particularly love it when a solution is provided that overcomes "planned obsolescence" by the manufacturer. | |  | ismail poongadan | 2013-03-03 23:40:42 | | Dear
We are the one of the provider for CISS system for EPSON CISS , recently we have some service request for our valuable costomers
We need the Ink Pad reset Reset solution for EPSON T50/P50 5* Nos EPSON CX9300F * 5 Nos as trial order
Please advice me ,is i t get by TT payment , then We can sent is aginst your PI | | | tgsy tgsy | 2008-02-28 08:09:50 | | | Paul Jumbo | 2019-04-19 18:47:57 | I had Epson WF-2650 and it wasn't printing fully, skipping lines, even though colors were full.
I did a lot of cleaning, head cleaning, put new cartridge but no luck. I did some head cleaning using glass cleaner and syringes as shown on various youtube video.
After that, my printer didn't recognize two of the cartridges. I tried everything, cleaning contacts etc, nothing worked.
I was finally going to buy new cartridges however stores were closed today so I decided to look for chip-resetting tool but nothing good was available locally.
I came across this WIC reset utility and was really skeptical if it will work. I took the chance, bought the key, used the tool to reset firmware to chipless firmware, it was successful at the first go.
At this point, printer showed all ink levels 100%. I printed a test page and it came out perfect.
To make it even more interesting for me, I live in Europe and during one of the trip, I bought two sets of XL cartridges for this same model but printer didn't recognize in the past and I was going to throw them since these were no good for my EU model. I tried these again after chip reset firmware and voila, they works too.
I am amazed at the propaganda of these printer manufactures that even original printer cartridges from US didn't work on the model here in EUROPE, these used to fit perfectly but printer wouldn't recognize however, now they works too.
Today, I was almost ready to trash my 2.5 yr old and not much used printer but after a lot of trying and finally using WIC reset utility, the printers works like new and saved me a lot!
These were the best 20 CHF/USD I spent today!
Thank you very much and I don't need to worry about relying on a hardware chip-reset tool. I will now be able to use US model cartridges and re-fill i like without having to worry. I even printed some photos using this same printer on photo paper today and printer did an excellent job. | | | sachin mishra | 2018-03-10 10:06:46 | | very good i like it i am so happy i realy like it it is very usefull i support it software | | | Aferinyt Afyka | 2004-05-14 00:33:54 | | All appears to be fine .
Many Thanks for your help. | | | Sara Carmona | 2020-03-25 16:28:17 | | My printer Epson has encountered problem with ink pad waste and use wic tools and it works with the simplest step by step instructions.
thank you.Trusted and recommended | |
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