u

src/api/printerjob.js

@@ -89,12 +89,23 @@ export const printerjob = {
 
   /**
    * POST /api/printerjob/cancel-all
-   * Cancels all pending/processing jobs, optionally scoped to an agentprinter.
-   * Falls back to listing and cancelling individual jobs if needed.
+   * Sends ~JA to clear printer buffer and cancels all queued jobs.
    * @param {{ agentprinterId?: number }} [payload]
    * → { success: true, cancelledCount: number, jobs: PrinterJob[] }
    */
   async cancelAll({ agentprinterId } = {}) {
+    if (agentprinterId != null) {
+      try {
+        await this.createZplJob({
+          agentprinterId: Number(agentprinterId),
+          data: '~JA',
+          copiescount: 1,
+        });
+      } catch (e) {
+        console.warn('Failed to send ~JA to printer:', e);
+      }
+    }
+
     try {
       return await http('/api/printerjob/cancel-all', {
         method: 'POST',