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error HP

Error Code Er/01

Error indicating paper needs to be loaded.

? What Causes This

Paper tray is empty or jammed.

✓ How to Fix It

Load paper into the correct tray and clear any jams.

Source: page 2 of the official manual

From the manual

Manual page 2 — HP error Er/01

Affected HP Products

HP Laserjet Mfp M139 M142 Printer

Printers

HP Laserjet Pro Mfp M132

Printers

HP Laserjet Mfp M139e M142e Printer

Printers

Quick Reference

Code
Er/01
Brand
HP
Severity
error
Manual Page
2
Products Affected
3

Other HP Codes

LED blinks when paper jam occurs Indicates the machine is jammed with pap LED blinks rapidly amber Indicates battery has reached dangerousl E1 Unknown error code; could not find full Missing An ink/cartridge/printhead is missing or E0 Paper is jammed in the printer. LED blinks 3 times Overheating detected — internal temperat Fast blinking There is no paper in the input tray. LED blinks when error occurs Indicates an error has occurred. Re-seat Printhead needs to be removed and reinse Replace Printhead is failing or not functioning 50.4 Fuser error — the fuser unit has encount 13.20 Paper jam in the fuser area — paper is s

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