diff --git a/src/routes/production/printers.js b/src/routes/production/printers.js
index 24e07a5..209333b 100644
--- a/src/routes/production/printers.js
+++ b/src/routes/production/printers.js
@@ -11,14 +11,14 @@ import {
   listPrintersByPropertiesRouteHandler,
   getPrinterHistoryRouteHandler,
   searchPrintersRouteHandler,
-  getPrinterPropertyValuesRouteHandler
+  getPrinterPropertyValuesRouteHandler,
 } from '../../services/production/printers.js';
 import { convertPropertiesString, getFilter } from '../../utils.js';
 
 // list of printers
 router.get('/', isAuthenticated, (req, res) => {
   const { page, limit, property, search, sort, order } = req.query;
-  const allowedFilters = ['tags', 'host._id', 'active', 'online', 'name'];
+  const allowedFilters = ['tags', 'host._id', 'active', 'online', 'name', '_id', '_reference'];
   const filter = getFilter(req.query, allowedFilters);
   listPrintersRouteHandler(req, res, page, limit, property, filter, search, sort, order);
 });
@@ -43,7 +43,6 @@ router.get('/search', isAuthenticated, (req, res) => {
   searchPrintersRouteHandler(req, res, search);
 });
 
-
 // create new printer
 router.post('/', isAuthenticated, (req, res) => {
   newPrinterRouteHandler(req, res);