The serial number can be found on the label on the back side of the machine. MF249dw/MF247dw MF244DW/MF242dw. The serial number is a three letter prefix followed by five numbers. It is located under a barcode and is prefaced by "No". Serial Number/Badge Styles. These are the gold standards for identifying a vintage Ludwig drum. The general rule of thumb is a “Keystone” badge indicates a drum from the '60s and a “Blue & Olive” badge indicates a drum from the '70s or early '80s. The Blue & Olive badge replaced the Keystone in 1969, so there’s some natural overlap. Check machine's IP address and serial number. Print the network setting information to check the machine 's IP address and serial number by following the steps below. Make sure machine is turned on. Load two sheets of A4 or Letter-sized plain paper. Press and hold the Wi-Fi button and release it when ON lamp flashes. Press Wi-Fi button again. The model number of your machine actually denotes sections covered by TWO separate parts manuals. The C (conveyor) and the A in the model number means it’s a C-Line A series machine. I think they started making that series around 2000 (or earlier), then retired the line for the completely redesigned CLe series machine about 2011. Products. Software and Drivers. Diagnostics. Contact Us. Business Support. My HP Account. Country/Region: United States. Find manuals, setup and user guides for your HP Color LaserJet Pro 4201dw Printer. Here are the steps to follow: Find the serial number on the guitar: The serial number is usually located on the back of the headstock or on the neck plate of the guitar. It may also be printed on the inside of the guitar body. Research the model and manufacturing date: You can use the serial number to research the model and manufacturing date Corded models: In the past, the date code was etched into the body of the grinder, and the date serial numbers were on the rating label. Due to input from users, we have moved them to a more protected area of the tool. Beginning in 2014, both are etched into the gear housing, under the guard as you see in this photo: Other common letters in or with DW serial numbers. ETG = Elgin T Gates. IHMSA = International Handgun Metallic Silhouette Association. IHMSA members could order guns with their member number as the serial number. IFP = IHMSA Field Pistol. SDI = The 2 1/2" Wesson 44 mag "fixed barrel" revolvers. There were two batches of these made. 2J4oY.