* Electron version: 1.4.5
* Operating system: All

1- There are only 2 options when it comes to print: silent and printBackground, there are plenty more options, like margins, copies, etc in the print window (Ctrl+P), that could be sent using _webContents.print()_ 

2- Access to print queue, to know if the printer is printing

shell/browser/api/atom_api_web_contents.cc
#include "shell/browser/api/atom_api_web_contents.h"
#include <memory>
#include <set>
#include <string>
#include <utility>
#include "base/message_loop/message_loop.h"
#include "base/no_destructor.h"
#include "base/optional.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "base/threading/thread_task_runner_handle.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ssl/security_state_tab_helper.h"
#include "content/browser/frame_host/frame_tree_node.h"             
#include "content/browser/frame_host/render_frame_host_manager.h"   
#include "content/browser/renderer_host/render_widget_host_impl.h"