HP 401dn keeps going offline - can I repair it myself?


PhilB

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My daily driver printer is an HP 401dn, probably 10 years old by now that gets only light usage in a home office with two users. Recently it spontaneously goes offline. Power cycling the printer sometimes restores the printer to online status. Sometimes if there is a document already in the print queue, it prints a minute or two after the printer has been cycled.

Does anyone know what board or part needs to be replaced? Is this something I can do myself if I have the skill-sets to build all my desktops, etc.
 

My Computer My Computer

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Windows 11 2H25AMD 9900X64 GBAMD 9070 XT
OS
Windows 11 2H25
Computer type
PC/Desktop
Manufacturer/Model
DIY
CPU
AMD 9900X
Motherboard
MSI X870E Carbon
Memory
64 GB
Graphics Card(s)
AMD 9070 XT
Sound Card
built-in
Monitor(s) Displays
Dell 24"
Hard Drives
Sabrent 1 TB NVMe, 4 x SSD (need to check models), 4 x 3.5" HDD, 8-16 TB, all WD
PSU
Seasonic 850
Case
Fractal Design North XL (which I likw)
Cooling
Corsair AIO for CPU, fans for case
Keyboard
Das Keyboard 4
Mouse
Corsair M65 (white)
Internet Speed
1 TB download
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Firefox
Antivirus
Bitdefender
Other Info
Also have Lenovo T14S laptop (me) and Lenovo Slim 71 (wife)
My daily driver printer is an HP 401dn, probably 10 years old by now that gets only light usage in a home office with two users. Recently it spontaneously goes offline. Power cycling the printer sometimes restores the printer to online status. Sometimes if there is a document already in the print queue, it prints a minute or two after the printer has been cycled.

Does anyone know what board or part needs to be replaced? Is this something I can do myself if I have the skill-sets to build all my desktops, etc.
How do you have the printer connected. Can you use another interface, USB or ethernet?

 

My Computer My Computer

At a glance

Windows 11 25H2Broadwell-e 6850K 4.5ghz @1.36v32GB Corsair LPM 3600 C16EVGA RTX 3080Ti FTW
OS
Windows 11 25H2
Computer type
PC/Desktop
Manufacturer/Model
EVGA home brew
CPU
Broadwell-e 6850K 4.5ghz @1.36v
Motherboard
EVGA X99 FTW K
Memory
32GB Corsair LPM 3600 C16
Graphics Card(s)
EVGA RTX 3080Ti FTW
Sound Card
Asus Centurion true 7.1 headset. (5 speakers in each earpeice)
Monitor(s) Displays
LG C4 55"
Screen Resolution
4K 144hz
Hard Drives
Various models of SSDs ~10TB No HDDs installed.
PSU
be quiet! BN516 Straight Power 12-1000w 80 Plus Platinum
Case
Corsair 780T modified to dual 200mm intake fans
Cooling
Corsair H110i
Keyboard
Corsair K95 Platinum
Mouse
Corsair M65 RGB Elite
Internet Speed
50Mbs
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