diff --git a/lib/presentation/app_widget.dart b/lib/presentation/app_widget.dart
index 50da218..0d35e52 100644
--- a/lib/presentation/app_widget.dart
+++ b/lib/presentation/app_widget.dart
@@ -13,8 +13,6 @@ import '../application/payment_method/payment_method_loader/payment_method_loade
 import '../application/printer/bluetooth/bluetooth_connect/bluetooth_connect_bloc.dart';
 import '../application/printer/bluetooth/bluetooth_loader/bluetooth_loader_bloc.dart';
 import '../application/printer/print_struck/print_struck_bloc.dart';
-import '../application/printer/printer_form/printer_form_bloc.dart';
-import '../application/printer/printer_loader/printer_loader_bloc.dart';
 import '../application/product/product_loader/product_loader_bloc.dart';
 import '../application/sync/sync_setting/sync_setting_bloc.dart';
 import '../application/table/table_form/table_form_bloc.dart';
@@ -55,8 +53,9 @@ class _AppWidgetState extends State<AppWidget> {
         BlocProvider(create: (context) => getIt<VoidFormBloc>()),
         BlocProvider(create: (context) => getIt<BluetoothLoaderBloc>()),
         BlocProvider(create: (context) => getIt<BluetoothConnectBloc>()),
-        BlocProvider(create: (context) => getIt<PrinterFormBloc>()),
-        BlocProvider(create: (context) => getIt<PrinterLoaderBloc>()),
+        // PrinterFormBloc dan PrinterLoaderBloc sengaja TIDAK global: tiap tab
+        // pengaturan printer memakai instance sendiri, lihat
+        // SettingPrinterSection.
         BlocProvider(create: (context) => getIt<PrintStruckBloc>()),
         BlocProvider(create: (context) => getIt<SyncSettingBloc>()),
         BlocProvider(create: (context) => getIt<LogoutBloc>()),
diff --git a/lib/presentation/pages/main/pages/setting/sections/setting_printer_section.dart b/lib/presentation/pages/main/pages/setting/sections/setting_printer_section.dart
index 7b1babc..8177ac7 100644
--- a/lib/presentation/pages/main/pages/setting/sections/setting_printer_section.dart
+++ b/lib/presentation/pages/main/pages/setting/sections/setting_printer_section.dart
@@ -1,5 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 
+import '../../../../../../application/printer/printer_form/printer_form_bloc.dart';
+import '../../../../../../application/printer/printer_loader/printer_loader_bloc.dart';
+import '../../../../../../injection.dart';
 import '../../../../../components/page/page_title.dart';
 import '../../../../../components/tab/custom_tabbar.dart';
 import 'printer/setting_printer_bar.dart';
@@ -11,18 +15,36 @@ import 'printer/setting_printer_ticket.dart';
 class SettingPrinterSection extends StatelessWidget {
   const SettingPrinterSection({super.key});
 
+  /// Tiap tab wajib punya `PrinterFormBloc` dan `PrinterLoaderBloc` sendiri.
+  ///
+  /// Kelima tab hidup bersamaan di dalam `TabBarView`, dan `PrinterFormBloc`
+  /// membangun entitas `Printer` sepenuhnya dari state-nya (`type`, `address`,
+  /// `code`, ...). Saat blocnya dibagi, tab yang terakhir menulis state akan
+  /// menang, lalu tombol Simpan di tab mana pun menyimpan state milik tab lain
+  /// — itu sebabnya printer kitchen bisa tersimpan dengan alamat IP yang benar
+  /// tapi `type` "Bluetooth" warisan tab Receipt.
+  Widget _scoped(Widget tab) {
+    return MultiBlocProvider(
+      providers: [
+        BlocProvider(create: (_) => getIt<PrinterFormBloc>()),
+        BlocProvider(create: (_) => getIt<PrinterLoaderBloc>()),
+      ],
+      child: tab,
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
-    return const Column(
+    return Column(
       children: [
-        PageTitle(
+        const PageTitle(
           isBack: false,
           title: 'Printer',
           subtitle: 'Kelola printer untuk cetak struk',
         ),
         Expanded(
           child: CustomTabBar(
-            tabTitles: [
+            tabTitles: const [
               'Receipt Printer',
               'Checker Printer',
               'Kitchen Printer',
@@ -30,11 +52,11 @@ class SettingPrinterSection extends StatelessWidget {
               'Tiket Printer',
             ],
             tabViews: [
-              SettingPrinterReceipt(),
-              SettingPrinterChecker(),
-              SettingPrinterKitchen(),
-              SettingPrinterBar(),
-              SettingPrinterTicket(),
+              _scoped(const SettingPrinterReceipt()),
+              _scoped(const SettingPrinterChecker()),
+              _scoped(const SettingPrinterKitchen()),
+              _scoped(const SettingPrinterBar()),
+              _scoped(const SettingPrinterTicket()),
             ],
           ),
         ),