---
url: >-
  https://acquirer-api-docs-v4-en.pingpongx.com/notes/zh/api/services/InPersonPayments/gmc/reprint/index.md
description: >-
  GMC串口重打印接口用于重新打印上一笔交易的小票凭证。通过串口与POS设备通信,适用于小票打印失败或需要补打凭证的场景。bizContent字段可为空,默认打印最后一笔交易。
---
# GMC串口重打印接口

```apidef
endpoint: POST /onsiteAcquirer/gmc/reprint
name: GMC串口重打印接口
```

GMC串口重打印接口用于重新打印上一笔交易的小票凭证。通过串口与POS设备通信,适用于小票打印失败或需要补打凭证的场景。bizContent字段可为空,默认打印最后一笔交易。

### 请求示例

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