
HP Laser MFP 137fnw Wireless All-in-One Printer
The HP Laser MFP 137fnw (product number 4ZB84A) is a compact black-and-white laser multifunction printer for small offices. It prints, copies, scans and sends faxes, has a 40-sheet automatic document feeder, and connects over Wi-Fi, Ethernet or USB.

Fast mono laser printing: HP rates the 137fnw at up to 20 ppm on A4 (ISO), with the first page out in as fast as 8.3 seconds and print quality up to 1,200 x 1,200 dpi. It is built for black-and-white office documents.
Scan and copy with an ADF: A flatbed scanner plus a 40-sheet automatic document feeder handles multi-page originals. Scanning runs at up to 600 x 600 dpi optical, and copies at up to 20 cpm, with up to 99 copies per job and scaling from 25 to 400%.
Fax (send only): The built-in fax sends at 33.6 kbps, with fax memory for up to 400 pages and up to 200 speed dials. HP lists fax on this model as send only, in black and white and colour.

Office connectivity: Hi-Speed USB 2.0, Fast Ethernet 10/100Base-TX and Wi-Fi 802.11b/g/n are built in. Phones and tablets print through Apple AirPrint, Mopria, mobile apps or Wi-Fi Direct. A 2-line LCD and a numeric keypad are on the front panel.
Paper and toner: The input tray holds 150 sheets and the output bin 100 sheets, for A4, A5, B5 (JIS), Oficio and envelopes (DL, C5). The original replacement toner is the HP 106A Black Laser Toner Cartridge (W1106A), rated by HP at about 1,000 pages.
Good to know
Black-and-white printing only. Two-sided printing is manual (driver support provided). The fax can send but, according to HP, does not receive. Wi-Fi works on 2.4 GHz only.
Technical Specifications
| Model | HP Laser MFP 137fnw |
| Product Number | 4ZB84A |
| Print Technology | Laser, black and white |
| Functions | Print, copy, scan, fax (send only) |
| Print Speed (ISO, A4) | Up to 20 ppm |
| First Page Out (A4, ready) | As fast as 8.3 sec |
| Print Resolution | Up to 1,200 x 1,200 dpi |
| Duplex Printing | Manual (driver support provided) |
| Copy | Up to 20 cpm; up to 99 copies; 25 to 400% |
| Scanner | Flatbed and ADF, up to 600 x 600 dpi optical |
| ADF Capacity | 40 sheets |
| Fax | 33.6 kbps; send only; memory up to 400 pages; up to 200 speed dials |
| Connectivity | Hi-Speed USB 2.0; Fast Ethernet 10/100Base-TX; Wi-Fi 802.11b/g/n |
| Mobile Printing | Apple AirPrint, Mopria certified, mobile apps, Wi-Fi Direct printing |
| Paper Input / Output | 150-sheet input tray / 100-sheet output bin |
| Paper Sizes | A4, A5, B5 (JIS), Oficio, envelopes (DL, C5) |
| Monthly Duty Cycle | Up to 10,000 pages |
| Recommended Monthly Volume | 100 to 2,000 pages |
| Display | 2-line LCD |
| Processor / Memory | 600 MHz / 128 MB |
| Replacement Toner | HP 106A Black (W1106A), about 1,000 pages |
| Dimensions (W x D x H) | 406 x 359.6 x 308.7 mm |
| Weight | 8.58 kg |
| Warranty | One-year limited hardware warranty (HP) |
📄 Datasheet: Download the official HP Laser MFP 137fnw datasheet (PDF)
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