diff --git a/src/app/(main)/bagPrint/page.tsx b/src/app/(main)/bagPrint/page.tsx
new file mode 100644
index 0000000..e935cee
--- /dev/null
+++ b/src/app/(main)/bagPrint/page.tsx
@@ -0,0 +1,23 @@
+import BagPrintSearch from "@/components/BagPrint/BagPrintSearch";
+import { Stack, Typography } from "@mui/material";
+import { Metadata } from "next";
+import React from "react";
+
+export const metadata: Metadata = {
+  title: "打袋機",
+};
+
+const BagPrintPage: React.FC = () => {
+  return (
+    <>
+      <Stack direction="row" justifyContent="space-between" flexWrap="wrap" rowGap={2}>
+        <Typography variant="h4" marginInlineEnd={2}>
+          打袋機
+        </Typography>
+      </Stack>
+      <BagPrintSearch />
+    </>
+  );
+};
+
+export default BagPrintPage;
diff --git a/src/app/api/bagPrint/actions.ts b/src/app/api/bagPrint/actions.ts
new file mode 100644
index 0000000..b6bf3e1
--- /dev/null
+++ b/src/app/api/bagPrint/actions.ts
@@ -0,0 +1,82 @@
+"use client";
+
+import { NEXT_PUBLIC_API_URL } from "@/config/api";
+import { clientAuthFetch } from "@/app/utils/clientAuthFetch";
+
+export interface JobOrderListItem {
+  id: number;
+  code: string | null;
+  planStart: string | null;
+  itemCode: string | null;
+  itemName: string | null;
+  reqQty: number | null;
+  stockInLineId: number | null;
+  itemId: number | null;
+  lotNo: string | null;
+}
+
+export interface PrinterStatusRequest {
+  printerType: "dataflex" | "laser";
+  printerIp?: string;
+  printerPort?: number;
+}
+
+export interface PrinterStatusResponse {
+  connected: boolean;
+  message: string;
+}
+
+export interface OnPackQrDownloadRequest {
+  jobOrders: {
+    jobOrderId: number;
+    itemCode: string;
+  }[];
+}
+
+/**
+ * Fetch job orders by plan date from GET /py/job-orders.
+ * Client-side only; uses auth token from localStorage.
+ */
+export async function fetchJobOrders(planStart: string): Promise<JobOrderListItem[]> {
+  const url = `${NEXT_PUBLIC_API_URL}/py/job-orders?planStart=${encodeURIComponent(planStart)}`;
+  const res = await clientAuthFetch(url, { method: "GET" });
+  if (!res.ok) {
+    throw new Error(`Failed to fetch job orders: ${res.status}`);
+  }
+  return res.json();
+}
+
+export async function checkPrinterStatus(
+  request: PrinterStatusRequest,
+): Promise<PrinterStatusResponse> {
+  const url = `${NEXT_PUBLIC_API_URL}/plastic/check-printer`;
+  const res = await clientAuthFetch(url, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(request),
+  });
+
+  const data = (await res.json()) as PrinterStatusResponse;
+  if (!res.ok) {
+    return data;
+  }
+
+  return data;
+}
+
+export async function downloadOnPackQrZip(
+  request: OnPackQrDownloadRequest,
+): Promise<Blob> {
+  const url = `${NEXT_PUBLIC_API_URL}/plastic/download-onpack-qr`;
+  const res = await clientAuthFetch(url, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(request),
+  });
+
+  if (!res.ok) {
+    throw new Error((await res.text()) || "Download failed");
+  }
+
+  return res.blob();
+}
diff --git a/src/components/BagPrint/BagPrintSearch.tsx b/src/components/BagPrint/BagPrintSearch.tsx
new file mode 100644
index 0000000..3792540
--- /dev/null
+++ b/src/components/BagPrint/BagPrintSearch.tsx
@@ -0,0 +1,445 @@
+"use client";
+
+import React, { useCallback, useEffect, useState } from "react";
+import {
+  Box,
+  Button,
+  FormControl,
+  InputLabel,
+  MenuItem,
+  Select,
+  Stack,
+  Typography,
+  Paper,
+  CircularProgress,
+  SelectChangeEvent,
+  Dialog,
+  DialogTitle,
+  DialogContent,
+  DialogActions,
+  TextField,
+  Snackbar,
+} from "@mui/material";
+import ChevronLeft from "@mui/icons-material/ChevronLeft";
+import ChevronRight from "@mui/icons-material/ChevronRight";
+import Settings from "@mui/icons-material/Settings";
+import Print from "@mui/icons-material/Print";
+import Download from "@mui/icons-material/Download";
+import { checkPrinterStatus, downloadOnPackQrZip, fetchJobOrders, JobOrderListItem } from "@/app/api/bagPrint/actions";
+import dayjs from "dayjs";
+
+// Light blue theme (matching Python Bag1)
+const BG_TOP = "#E8F4FC";
+const BG_LIST = "#D4E8F7";
+const BG_ROW = "#C5E1F5";
+const BG_ROW_SELECTED = "#6BB5FF";
+const BG_STATUS_ERROR = "#FFCCCB";
+const BG_STATUS_OK = "#90EE90";
+const FG_STATUS_ERROR = "#B22222";
+const FG_STATUS_OK = "#006400";
+
+const PRINTER_OPTIONS = [
+  { value: "dataflex", label: "打袋機 DataFlex" },
+  { value: "laser", label: "激光機" },
+];
+
+const REFRESH_MS = 60 * 1000;
+const PRINTER_CHECK_MS = 60 * 1000;
+const PRINTER_RETRY_MS = 30 * 1000;
+const SETTINGS_KEY = "bagPrint_settings";
+
+const DEFAULT_SETTINGS = {
+  dabag_ip: "",
+  dabag_port: "3008",
+  laser_ip: "192.168.17.10",
+  laser_port: "45678",
+};
+
+function loadSettings(): typeof DEFAULT_SETTINGS {
+  if (typeof window === "undefined") return DEFAULT_SETTINGS;
+  try {
+    const s = localStorage.getItem(SETTINGS_KEY);
+    if (s) return { ...DEFAULT_SETTINGS, ...JSON.parse(s) };
+  } catch {}
+  return DEFAULT_SETTINGS;
+}
+
+function saveSettings(s: typeof DEFAULT_SETTINGS) {
+  if (typeof window === "undefined") return;
+  try {
+    localStorage.setItem(SETTINGS_KEY, JSON.stringify(s));
+  } catch {}
+}
+
+function formatQty(val: number | null | undefined): string {
+  if (val == null) return "—";
+  try {
+    const n = Number(val);
+    if (Number.isInteger(n)) return n.toLocaleString();
+    return n.toLocaleString(undefined, { minimumFractionDigits: 0, maximumFractionDigits: 2 }).replace(/\.?0+$/, "");
+  } catch {
+    return String(val);
+  }
+}
+
+function getBatch(jo: JobOrderListItem): string {
+  return (jo.lotNo || "—").trim() || "—";
+}
+
+const BagPrintSearch: React.FC = () => {
+  const [planDate, setPlanDate] = useState(() => dayjs().format("YYYY-MM-DD"));
+  const [jobOrders, setJobOrders] = useState<JobOrderListItem[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [connected, setConnected] = useState(false);
+  const [printer, setPrinter] = useState<string>("dataflex");
+  const [selectedId, setSelectedId] = useState<number | null>(null);
+  const [settingsOpen, setSettingsOpen] = useState(false);
+  const [snackbar, setSnackbar] = useState<{ open: boolean; message: string; severity?: "success" | "info" | "error" }>({ open: false, message: "" });
+  const [settings, setSettings] = useState(DEFAULT_SETTINGS);
+  const [printerConnected, setPrinterConnected] = useState(false);
+  const [printerMessage, setPrinterMessage] = useState("列印機未連接");
+  const [downloadingOnPack, setDownloadingOnPack] = useState(false);
+
+  useEffect(() => {
+    setSettings(loadSettings());
+  }, []);
+
+  const loadJobOrders = useCallback(async (fromUserChange = false) => {
+    setLoading(true);
+    setError(null);
+    try {
+      const data = await fetchJobOrders(planDate);
+      setJobOrders(data);
+      setConnected(true);
+      if (fromUserChange) setSelectedId(null);
+    } catch (e) {
+      setError(e instanceof Error ? e.message : "連接不到服務器");
+      setConnected(false);
+      setJobOrders([]);
+    } finally {
+      setLoading(false);
+    }
+  }, [planDate]);
+
+  useEffect(() => {
+    loadJobOrders(true);
+  }, [planDate]);
+
+  useEffect(() => {
+    if (!connected) return;
+    const id = setInterval(() => loadJobOrders(false), REFRESH_MS);
+    return () => clearInterval(id);
+  }, [connected, loadJobOrders]);
+
+  const checkCurrentPrinter = useCallback(async () => {
+    try {
+      const request =
+        printer === "dataflex"
+          ? {
+              printerType: "dataflex" as const,
+              printerIp: settings.dabag_ip,
+              printerPort: Number(settings.dabag_port || 3008),
+            }
+          : {
+              printerType: "laser" as const,
+              printerIp: settings.laser_ip,
+              printerPort: Number(settings.laser_port || 45678),
+            };
+
+      const result = await checkPrinterStatus(request);
+      setPrinterConnected(result.connected);
+      setPrinterMessage(result.message);
+    } catch (e) {
+      setPrinterConnected(false);
+      setPrinterMessage(e instanceof Error ? e.message : "列印機狀態檢查失敗");
+    }
+  }, [printer, settings]);
+
+  useEffect(() => {
+    checkCurrentPrinter();
+  }, [checkCurrentPrinter]);
+
+  useEffect(() => {
+    const intervalMs = printerConnected ? PRINTER_CHECK_MS : PRINTER_RETRY_MS;
+    const id = setInterval(() => {
+      checkCurrentPrinter();
+    }, intervalMs);
+
+    return () => clearInterval(id);
+  }, [printerConnected, checkCurrentPrinter]);
+
+  const goPrevDay = () => {
+    setPlanDate((d) => dayjs(d).subtract(1, "day").format("YYYY-MM-DD"));
+  };
+
+  const goNextDay = () => {
+    setPlanDate((d) => dayjs(d).add(1, "day").format("YYYY-MM-DD"));
+  };
+
+  const handlePrinterChange = (e: SelectChangeEvent<string>) => {
+    setPrinter(e.target.value);
+  };
+
+  const handleRowClick = (jo: JobOrderListItem) => {
+    setSelectedId(jo.id);
+    const batch = getBatch(jo);
+    const itemCode = jo.itemCode || "—";
+    const itemName = jo.itemName || "—";
+    setSnackbar({ open: true, message: `已點選：批次 ${batch} 品號 ${itemCode} ${itemName}`, severity: "info" });
+    // TODO: Actual printing would require backend API to proxy to printer (TCP/serial)
+    // For now, show info. Backend could add /py/print-dataflex, /py/print-label, /py/print-laser
+  };
+
+  const handleDownloadOnPackQr = async () => {
+    const onPackJobOrders = jobOrders
+      .map((jobOrder) => ({
+        jobOrderId: jobOrder.id,
+        itemCode: jobOrder.itemCode?.trim() || "",
+      }))
+      .filter((jobOrder) => jobOrder.itemCode.length > 0);
+
+    if (onPackJobOrders.length === 0) {
+      setSnackbar({ open: true, message: "當日沒有可下載的 job order", severity: "error" });
+      return;
+    }
+
+    setDownloadingOnPack(true);
+    try {
+      const blob = await downloadOnPackQrZip({
+        jobOrders: onPackJobOrders,
+      });
+
+      const url = window.URL.createObjectURL(blob);
+      const link = document.createElement("a");
+      link.href = url;
+      link.setAttribute("download", `onpack_qr_${planDate}.zip`);
+      document.body.appendChild(link);
+      link.click();
+      link.remove();
+      window.URL.revokeObjectURL(url);
+
+      setSnackbar({ open: true, message: "OnPack QR code ZIP 已下載", severity: "success" });
+    } catch (e) {
+      setSnackbar({
+        open: true,
+        message: e instanceof Error ? e.message : "下載 OnPack QR code 失敗",
+        severity: "error",
+      });
+    } finally {
+      setDownloadingOnPack(false);
+    }
+  };
+
+  return (
+    <Box sx={{ minHeight: "70vh", display: "flex", flexDirection: "column" }}>
+      {/* Top: date nav + printer + settings */}
+      <Paper sx={{ p: 2, mb: 2, backgroundColor: BG_TOP }}>
+        <Stack direction="row" alignItems="center" justifyContent="space-between" flexWrap="wrap" gap={2}>
+          <Stack direction="row" alignItems="center" spacing={2}>
+            <Button variant="outlined" startIcon={<ChevronLeft />} onClick={goPrevDay}>
+              前一天
+            </Button>
+            <TextField
+              type="date"
+              value={planDate}
+              onChange={(e) => setPlanDate(e.target.value)}
+              size="small"
+              sx={{ width: 160 }}
+              InputLabelProps={{ shrink: true }}
+            />
+            <Button variant="outlined" endIcon={<ChevronRight />} onClick={goNextDay}>
+              後一天
+            </Button>
+          </Stack>
+          <Stack direction="row" alignItems="center" spacing={2}>
+            <Button variant="outlined" startIcon={<Settings />} onClick={() => setSettingsOpen(true)}>
+              設定
+            </Button>
+            <Box
+              sx={{
+                px: 1.5,
+                py: 0.75,
+                borderRadius: 1,
+                backgroundColor: printerConnected ? BG_STATUS_OK : BG_STATUS_ERROR,
+                color: printerConnected ? FG_STATUS_OK : FG_STATUS_ERROR,
+                fontWeight: 600,
+                whiteSpace: "nowrap",
+              }}
+              title={printerMessage}
+            >
+              列印機：
+            </Box>
+            <FormControl size="small" sx={{ minWidth: 180 }}>
+              <InputLabel>列印機</InputLabel>
+              <Select value={printer} label="列印機" onChange={handlePrinterChange}>
+                {PRINTER_OPTIONS.map((opt) => (
+                  <MenuItem key={opt.value} value={opt.value}>
+                    {opt.label}
+                  </MenuItem>
+                ))}
+              </Select>
+            </FormControl>
+          </Stack>
+        </Stack>
+        <Typography variant="body2" sx={{ mt: 1, color: "text.secondary" }}>
+          {printerMessage}
+        </Typography>
+        <Stack direction="row" sx={{ mt: 2 }}>
+          <Button
+            variant="contained"
+            startIcon={<Download />}
+            onClick={handleDownloadOnPackQr}
+            disabled={loading || downloadingOnPack || jobOrders.length === 0}
+          >
+            {downloadingOnPack ? "下載中..." : "下載 OnPack 汁水機 QR code"}
+          </Button>
+        </Stack>
+      </Paper>
+
+      {/* Job orders list */}
+      <Paper sx={{ flex: 1, overflow: "hidden", display: "flex", flexDirection: "column", backgroundColor: BG_LIST }}>
+        {loading ? (
+          <Box sx={{ display: "flex", justifyContent: "center", alignItems: "center", py: 8 }}>
+            <CircularProgress />
+          </Box>
+        ) : jobOrders.length === 0 ? (
+          <Box sx={{ py: 8, textAlign: "center" }}>
+            <Typography color="text.secondary">當日無工單</Typography>
+          </Box>
+        ) : (
+          <Box sx={{ overflow: "auto", flex: 1, p: 2 }}>
+            <Stack spacing={1}>
+              {jobOrders.map((jo) => {
+                const batch = getBatch(jo);
+                const qtyStr = formatQty(jo.reqQty);
+                const isSelected = selectedId === jo.id;
+                return (
+                  <Paper
+                    key={jo.id}
+                    elevation={1}
+                    sx={{
+                      p: 2,
+                      display: "flex",
+                      alignItems: "flex-start",
+                      gap: 2,
+                      cursor: "pointer",
+                      backgroundColor: isSelected ? BG_ROW_SELECTED : BG_ROW,
+                      "&:hover": { backgroundColor: isSelected ? BG_ROW_SELECTED : "#b8d4eb" },
+                      transition: "background-color 0.2s",
+                    }}
+                    onClick={() => handleRowClick(jo)}
+                  >
+                    <Box sx={{ minWidth: 120, flexShrink: 0 }}>
+                      <Typography variant="h6" sx={{ fontSize: "1.1rem" }}>
+                        {batch}
+                      </Typography>
+                      {qtyStr !== "—" && (
+                        <Typography variant="body2" color="text.secondary">
+                          數量：{qtyStr}
+                        </Typography>
+                      )}
+                    </Box>
+                    <Box sx={{ minWidth: 140, flexShrink: 0 }}>
+                      <Typography variant="h6" sx={{ fontSize: "1.1rem" }}>
+                        {jo.code || "—"}
+                      </Typography>
+                    </Box>
+                    <Box sx={{ minWidth: 140, flexShrink: 0 }}>
+                      <Typography variant="h6" sx={{ fontSize: "1.35rem" }}>
+                        {jo.itemCode || "—"}
+                      </Typography>
+                    </Box>
+                    <Box sx={{ flex: 1, minWidth: 0 }}>
+                      <Typography variant="h6" sx={{ fontSize: "1.35rem", wordBreak: "break-word" }}>
+                        {jo.itemName || "—"}
+                      </Typography>
+                    </Box>
+                    <Button
+                      size="small"
+                      variant="contained"
+                      startIcon={<Print />}
+                      onClick={(e) => {
+                        e.stopPropagation();
+                        handleRowClick(jo);
+                      }}
+                    >
+                      列印
+                    </Button>
+                  </Paper>
+                );
+              })}
+            </Stack>
+          </Box>
+        )}
+      </Paper>
+
+      {/* Settings dialog */}
+      <Dialog open={settingsOpen} onClose={() => setSettingsOpen(false)} maxWidth="sm" fullWidth>
+        <DialogTitle>設定</DialogTitle>
+        <DialogContent>
+          <Stack spacing={2} sx={{ mt: 1 }}>
+            <Typography variant="subtitle2" color="primary">
+              打袋機 DataFlex
+            </Typography>
+            <TextField
+              label="IP"
+              size="small"
+              value={settings.dabag_ip}
+              onChange={(e) => setSettings((s) => ({ ...s, dabag_ip: e.target.value }))}
+              fullWidth
+            />
+            <TextField
+              label="Port"
+              size="small"
+              value={settings.dabag_port}
+              onChange={(e) => setSettings((s) => ({ ...s, dabag_port: e.target.value }))}
+              fullWidth
+            />
+            <Typography variant="subtitle2" color="primary">
+              激光機
+            </Typography>
+            <TextField
+              label="IP"
+              size="small"
+              value={settings.laser_ip}
+              onChange={(e) => setSettings((s) => ({ ...s, laser_ip: e.target.value }))}
+              fullWidth
+            />
+            <TextField
+              label="Port"
+              size="small"
+              value={settings.laser_port}
+              onChange={(e) => setSettings((s) => ({ ...s, laser_port: e.target.value }))}
+              fullWidth
+            />
+          </Stack>
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={() => setSettingsOpen(false)}>取消</Button>
+          <Button
+            variant="contained"
+            onClick={() => {
+              saveSettings(settings);
+              setSnackbar({ open: true, message: "設定已儲存", severity: "success" });
+              setSettingsOpen(false);
+              checkCurrentPrinter();
+            }}
+          >
+            儲存
+          </Button>
+        </DialogActions>
+      </Dialog>
+
+      <Snackbar
+        open={snackbar.open}
+        autoHideDuration={3000}
+        onClose={() => setSnackbar((s) => ({ ...s, open: false }))}
+        message={snackbar.message}
+        anchorOrigin={{ vertical: "bottom", horizontal: "center" }}
+      />
+    </Box>
+  );
+};
+
+export default BagPrintSearch;
diff --git a/src/components/Breadcrumb/Breadcrumb.tsx b/src/components/Breadcrumb/Breadcrumb.tsx
index 066d65c..a462fef 100644
--- a/src/components/Breadcrumb/Breadcrumb.tsx
+++ b/src/components/Breadcrumb/Breadcrumb.tsx
@@ -38,6 +38,7 @@ const pathToLabelMap: { [path: string]: string } = {
   "/putAway": "Put Away",
   "/stockIssue": "Stock Issue",
   "/report": "Report",
+  "/bagPrint": "打袋機",
 };
 
 const Breadcrumb = () => {
diff --git a/src/components/NavigationContent/NavigationContent.tsx b/src/components/NavigationContent/NavigationContent.tsx
index ae1c632..508f09e 100644
--- a/src/components/NavigationContent/NavigationContent.tsx
+++ b/src/components/NavigationContent/NavigationContent.tsx
@@ -172,9 +172,9 @@ const NavigationContent: React.FC = () => {
     },
     {
       icon: <Print />,
-      label: "打袋機列印",
-      path: "/testing",
-      requiredAbility: [AUTH.TESTING, AUTH.ADMIN],
+      label: "打袋機",
+      path: "/bagPrint",
+      requiredAbility: [AUTH.JOB_PROD, AUTH.ADMIN],
       isHidden: false,
     },
     {