1. Issue Description:
Print cannot boot up into ready state with an error message shown on printer
control panel. The error messages include ERROR: B0601/ B0602/ B0603/
B0604/ B0605.
2. Root Cause:
Firmware crashes.
Note: Inappropriate behavior may cause firmware crash. For example, a printer is
turned off when critical firmware update is undergoing.
3. Solution:
Firmware Update Utility. Note: this utility can be obtained at hp.com.
There are two use cases when encountering the issue:
1. P2050 series printer software driver is previously installed on the PC.
Note: The instruction have 3 steps and easy to follow as quick fix.
2. P2050 series printer software driver is NOT previously installed on the PC,
such as Dead on Arrival unit.
Note: The instruction is only for advanced PC users only as it’s very
complicated with 14 steps. Please evaluate the customer knowledge level
before helping a customer to do so. Otherwise, replacing formatter is the
alternatives.
4. Instructions for Use case 1: driver is previously installed on PC
1. Place printer in bootcode mode
HP LaserJet P2050
Series (P2055d/dn/x)
Firmware recovery
Security Level: Public
Date Written/Updated: 2009-02-28
Document Summary
This document provides detailed instruction to recover the P2050 series printers from firmware
error states (including ERROR: B0601, B0605 etc.).