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HP 49.4C02 Canon 5100 Best printer 2026 Paper jam fix
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HP Error Code 49 Service Error: Causes and Fix
May 20265 min
HP error 49 is a firmware or communication error that stops your printer completely. Here is how to ...
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Featured
Editor Pick
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HP Error Code 49 Service Error: Causes and Fix
May 5, 20265 min read3,257 views
HP error 49 is a firmware or communication error that stops your printer completely. Here is how to fix it in minutes.
MK
Keemstar Team
Founder, Keemstar Office Solution
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Troubleshooting
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How to Fix HP Error 49.4C02 — Complete Guide
May 6, 20265 min
Buying Guides
Best Printers for Small Business in 2026
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HP LaserJet Pro M404dn Review: The Best Office Laser Printer in 2026
May 5, 20265 min
Printer Reviews
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OEM vs Compatible Toner Cartridges: Which Should You Buy?
May 4, 20265 min
Cost Saving
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HP Error Code 50.4 Fuser Error: How to Fix It
May 4, 20265 min
Ink & Toner
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How to Choose the Right Printer for Your Office: Complete Buying Guide
May 3, 20265 min
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Weekly Articles

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Error Code Library

What Is Your Printer Telling You?

All HP Canon Epson Brother
HP LaserJet
49.4C02
Critical
Critical Firmware Error
Cause: Corrupt print job or firmware issue — Solution: Cancel all print jobs, update firmware, restart printer...
Full Guide →Buy Spare Parts
HP LaserJet
50.4 Fuser Error
Critical
Fuser Assembly Failed
Cause: Fuser has reached end of life — Solution: Replace fuser assembly immediately...
Full Guide →Buy Spare Parts
HP LaserJet
13.xx Paper Jam
Low
Paper Jam Error
Cause: Paper stuck in feed path — Solution: Open all doors, remove all paper, check feed rollers...
Full Guide →Buy Spare Parts
HP LaserJet
10.xx Supply Error
Low
Toner Cartridge Not Detected
Cause: Wrong or empty cartridge installed — Solution: Check cartridge seating or replace cartridge...
Full Guide →Buy Spare Parts
Kyocera Ecosys
C0030
Critical
Drum Unit Error
Cause: Drum unit life expired — Solution: Replace drum unit...
Full Guide →Buy Spare Parts
Kyocera Ecosys
C0070
Critical
Developer Unit Error
Cause: Developer unit needs replacement — Solution: Replace developer unit...
Full Guide →Buy Spare Parts
View All Error Codes →

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