HP LaserJet P2050 Series Firmware Recovery Procedure

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
Work
Instruction
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.).

HP LaserJet P2050 Series Specifications

General

Print Technology	Laser
Monthly Duty Cycle	Up to 50, 000 pages
Processor Frequency	400 MHz
Print Resolution	1200 x 1200 dpi
Input Capacity	250 sheets
Connectivity	USB 2.0
Standard Printer Languages	PCL 5e, PCL 6, PostScript Level 3 emulation
Duplex Printing	Manual (driver support)
Monthly Duty Cycle (alternative)	50, 000 pages
Input Capacity (alternative)	250 sheets
Supported Media Sizes	Letter, Legal, Executive, A4, A5, A6, B5, Envelopes (C5, B5, DL)
Supported Media Types	Plain, bond, letterhead, envelopes, labels, transparencies, cardstock
Operating System Compatibility	Windows, Mac OS
First Page Out	8 sec