11/08/2025
The **HP LaserJet 600 series** is a family of business-class monochrome laser printers designed for high-volume printing, speed, and durability.
This series includes models like **M601**, **M602**, and **M603** — often used in offices and print-heavy environments.
Here’s a detailed breakdown:
---
**1. General Overview**
**Type:** Monochrome Laser Printer (black & white)
**Target Users:** Medium to large offices
**Duty Cycle:** Up to **275,000 pages/month** (varies by model)
**Technology:** HP LaserJet, Instant-on Technology
**Control Panel:** Usually a 4-line LCD display with numeric keypad
**Operating Systems Supported:** Windows, macOS, Linux (via drivers)
---
**2. Main Models & Differences**
| Model | Speed (ppm) | Monthly Duty Cycle | Standard Tray Capacity | Duplex Printing |
| -------- | ----------- | ------------------ | ---------------------- | --------------- |
| **M601** | \~45 ppm | 175,000 pages | 600 sheets | Optional |
| **M602** | \~52 ppm | 225,000 pages | 600 sheets | Standard |
| **M603** | \~62 ppm | 275,000 pages | 600 sheets | Standard |
---
**3. Print Specifications**
**Resolution:** 1200 × 1200 dpi (ProRes), 600 × 600 dpi (FastRes)
**First Page Out:** As fast as 8.5 seconds
**Processor:** 800 MHz
**Memory:**
* M601: 512 MB RAM
* M602: 512 MB RAM
* M603: 512 MB RAM (expandable to 1 GB)
**Connectivity:**
* Hi-Speed USB 2.0
* Gigabit Ethernet (standard)
* Optional: Wireless via HP JetDirect print server
---
**4. Paper Handling**
* **Input Trays:**
* Tray 1: 100-sheet multipurpose
* Tray 2: 500-sheet standard cassette
* Optional: Additional 500-sheet or 1500-sheet feeder
**Output Bin:** 500 sheets
**Supported Paper Sizes:** Letter, Legal, Executive, A4, A5, B5, envelopes
**Automatic Duplex:** M602 & M603 standard, M601 optional
---
**5. Toner & Consumables**
**Toner Cartridge Models: **
* HP 90A (CE390A) — 10,000 pages
* HP 90X (CE390X) — 24,000 pages (high yield)
*Maintenance Kit: Fuser, rollers, and transfer assembly for high page counts