C.Itoh M-8510 TEC DH-911 Dot Matrix Printhead 874022 Replacement Part

C.Itoh M-8510 TEC DH-911 Dot Matrix Printhead 874022 Replacement Part

This is a used dot matrix printhead for the C.Itoh M-8510 printer, manufactured by TEC and marked DH-911 with date/part code 874022. The printhead is the core impact mechanism in a dot matrix printer — a column of fine wire pins driven by electromagnetic solenoids fires against an ink ribbon to form characters and graphics on paper. It mounts on the printer's carriage and connects to the printer's logic board via a flexible flat cable (flex ribbon), which is attached to this unit.

Specifications & What's Included

• Manufacturer: C.Itoh Electronics (TEC-manufactured OEM component)
• Model: M-8510
• Printhead Part Number: DH-911
• Date/Part Code: 874022
• Type: Impact dot matrix printhead assembly
• Construction: Ribbed black heat sink body with metal wire guide assembly and stainless print nose
• Connector: Attached flexible flat cable (flex ribbon) for printer logic board interface
• Caution label present on base (visible in photos)

Applications

Dot matrix printheads of this type were the standard print mechanism in impact printers from the late 1970s through the 1990s and remain in use today in applications that require multi-part form printing — receipts, invoices, shipping documents, and industrial labels where carbon-copy or pressure-sensitive paper is needed. The C.Itoh M-8510 was a 9-pin dot matrix printer used in business, data processing, and industrial environments. Replacement printheads are still sought for legacy system maintenance, point-of-sale installations, and industrial control terminals that continue to run impact printers due to their reliability and ability to print through multi-part forms. This printhead is suitable as a direct replacement or repair part for the M-8510.