---
url: >-
  https://acquirer-api-docs-v4-en.pingpongx.com/en/notes/api/services/InPersonPayments/gmc/reprint/index.md
description: >-
  The GMC serial reprint interface is used to reprint the receipt voucher of the
  previous transaction. Communicates with POS devices via serial port, suitable
  for scenarios where receipt printing fails or vouchers need to be reprinted.
  The bizContent field can be empty, defaulting to print the last transaction.
---
# GMC Serial Reprint Interface

```apidef
endpoint: POST /onsiteAcquirer/gmc/reprint
name: GMC Serial Reprint Interface
```

The GMC serial reprint interface is used to reprint the receipt voucher of the previous transaction. Communicates with POS devices via serial port, suitable for scenarios where receipt printing fails or vouchers need to be reprinted. The bizContent field can be empty, defaulting to print the last transaction.

### Request Example

```json
{
  "accId": "PPX_ACC_202312001",
  "clientId": "PPX_MCH_20230001",
  "signType": "SHA256",
  "sign": "9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08",
  "version": "1.0",
  "event": "REPRINT",
  "requestTime": "1683533500000"
}
```