If your ScanSnap iX1600 won’t connect over Wi-Fi to a Windows PC, or the touch panel shows “The device is not responding.” when everything looks connected, start by checking four links: the scanner’s connection to your access point, the IP address it received, the connection ScanSnap Home is using, or a scan profile that belongs to another computer. Read what the touch panel and ScanSnap Home actually show, then use the table below to go straight to the matching fix.
Before you buy a new router, cable, or scanner, run one free test: connect the iX1600 with the USB cable it came with. If it scans over USB, the scanner and ScanSnap Home can complete a scan through that connection. That does not prove the scanner’s wireless hardware is healthy, but it gives you a working option while you investigate Wi-Fi before deciding on replacement. This guide covers the access point (router) mode and Direct Connection separately, and tells you when to hand the problem to Ricoh support or your network administrator.
Which Connection Link Failed? Match What Your Screens Show
Ricoh’s iX1600 FAQ says “The device is not responding.” appears when a profile (a set of scan settings) created on another computer is selected, or when the ScanSnap and computer are not connected. So the same message can mean a profile mix-up or a real network break. The touch panel and ScanSnap Home tell you which one.
| What you see | Link that failed | Next action | Retest |
|---|---|---|---|
| Wi-Fi icon in the upper right of the touch panel doesn’t show a connection, or isn’t displayed | Scanner to access point | Reconnect the scanner to your network over USB (see the network section) | Wi-Fi icon shows a connection |
| [Access point connection] lists a different network from the one your PC uses | Wrong network | Connect the scanner to the PC’s network | Both show the same network |
| [IP address] shows 0.0.0.0 | Scanner didn’t get an IP address | Contact your network administrator or router manufacturer | A real IP address appears |
| ScanSnap Home says “Cannot find ScanSnap with the specified IP address.” | Connection by the specified IP address failed | Contact the router manufacturer or administrator | Connection by IP succeeds |
| The [Scan] button in ScanSnap Home is grayed out, but the scanner is connected | Profile from another user or computer | Match the profile color (see the profile section) | [Scan] button turns blue |
| The [Connect to the scanner] button doesn’t appear | Scanner and computer not connected | Follow the IP connection steps | [Scan] button is enabled |
| Your PC is joined to a Wi-Fi network whose name starts with iX1600 | You’re in Direct Connection mode, not router mode | Decide which mode you want and troubleshoot only that one | Scan works in the chosen mode |
Before any of these, Ricoh’s preparation step is to update ScanSnap Home for Windows and the scanner firmware to the latest versions. Menu labels in this guide follow Ricoh’s iX1600 FAQ and may differ slightly between ScanSnap Home versions.
Is the iX1600 on the Wrong or a New Wi-Fi Network?
Check the touch panel first. Under [Wi-Fi settings], the network shown in [Access point connection] must be the same as the network to which the computer is connected. If it’s different, or you’ve replaced your router, the scanner has to be connected to the new network. Ricoh’s Windows procedure does this over the supplied USB cable.
To check the current network, open the ADF paper chute (cover) to power on the scanner, tap the settings icon on the touch panel, and tap [Wi-Fi settings]. If the network matches your PC’s network, skip to the IP section below.
If it doesn’t match, reconnect the scanner. The fix takes 7 steps.
- Connect the supplied USB cable to the scanner and to a USB port on the PC, then open the ADF paper chute to turn the scanner on.
- Launch ScanSnap Home and go to [Settings] → [Preferences] → [Scanner] tab.
- Select the iX1600 in the [Scanner information] list and confirm that [Connection type] shows USB.
- Click [Wireless setup] to launch the ScanSnap Wireless Setup Tool, select the [Extended] tab, and click “Access point connect settings.”
- Click [Wireless LAN setting], choose [Select wireless network], pick your network name (SSID), and click [Next]. Ricoh notes this can also be done with WPS.
- Enter your router’s security key, click [OK], and wait for “Successfully connected.” Then click [OK], [Back], and [Exit].
- Disconnect the USB cable from the computer. Per Ricoh, [Connection type] will switch to [Wi-Fi].
Retest by starting a scan from the touch panel. If the network now matches but scanning still fails, the next link to check is the IP address.
Connected to Wi-Fi but ScanSnap Home Can’t Find It?
If the scanner is on the right network but your PC still can’t find it, read the scanner’s IP address from the touch panel and tell ScanSnap Home to connect to that address directly. An address of 0.0.0.0 means the scanner never got one from the access point, so address assignment needs investigation before you retry that address in ScanSnap Home.
The fix takes 6 steps.
- On the touch panel, tap the settings icon, then [Wi-Fi settings] → [Wi-Fi information] → [Network] tab.
- Check [Configuration method] and [IP address], and write the address down.
- Obtain automatically (DHCP): if [IP address] shows “0.0.0.0”, the scanner couldn’t obtain an address from the wireless access point. Ricoh directs you to your network administrator or the router manufacturer.
- Configure IP address manually: confirm with your network administrator that the address you set is connectable on that network.
- On the PC, start ScanSnap Home and open the [Settings] menu → [Preferences] → [Scanner] tab.
- Click [Connect via an IP address], enter the address from the touch panel, and click [OK].
- Click [OK], make sure the connection type is set to [Wi-Fi], and click [OK] again.
- Start a scan from the touch panel to confirm the connection works.
If ScanSnap Home says “Cannot find ScanSnap with the specified IP address.”, Ricoh says the scanner may not be communicating with the computer through the router and points you to the router manufacturer. Treat that as a network path problem: it isn’t proof that the scanner or PC is faulty.
On a work, school, or other managed network, involve the administrator before changing router or security settings. Don’t turn off your PC’s firewall entirely as a test.
“The Device Is Not Responding” but the Link Looks Fine?
When the Wi-Fi icon, network, and IP address all look correct, check whether the profile on the touch panel belongs to another user or computer. The fix depends on the [Display of profiles] setting under [Scanner settings] on the touch panel: All users, Selected user, or Connected user.
All users:
- Return to the touch panel’s top screen, start ScanSnap Home on the PC, and click [Scan].
- First confirm that ScanSnap Home shows the scanner as connected. If it does and the [Scan] button is grayed out, the selected profile may belong to another user. Close the [ScanSnap Home-Scan] window.
- Open [Settings] → [Preferences] → [Account] tab and note the profile color shown under [Color], then click [OK].
- On the touch panel, swipe to a profile with that same color and check that the [Scan] button turns blue. If it doesn’t, Ricoh suggests changing the profile color and trying again.
Selected user or Connected user: start ScanSnap Home, click [Scan], then click [Connect to the scanner]. If that button doesn’t appear, the scanner and computer aren’t connected, so go back to the IP section above.
This branch matters if more than one Windows PC uses the same iX1600. Fixing the router won’t help when the touch panel is simply pointed at another computer’s profile.
How Do You Isolate the Problem Without Spending Money?
Use what you already own. Scanning over the supplied USB cable tests the scanner apart from the network. Moving the scanner closer to the router for one test shows whether signal reach is involved. Direct Connection, a separate mode, tests Wi-Fi without the router. Each result narrows the failed link before you buy anything.
- USB works: the scanner and ScanSnap Home can scan. Go back to the network or IP section. A new scanner isn’t justified on this evidence.
- USB also fails: that still doesn’t prove the iX1600 is broken. Try a different USB port, a known-good cable, or another supported Windows PC, and use Ricoh’s separate USB troubleshooting from the ScanSnap FAQ before you contact support.
- Works next to the router, fails in its usual spot: placement or signal reach is part of the problem. Keep the scanner where it connected reliably.
- Direct Connection: in this mode your PC joins a Wi-Fi network whose name starts with iX1600, and the router isn’t involved. Ricoh’s FAQ treats it as a separate branch. If you test it, switch the PC back to your normal network before retesting router mode.
Buy a replacement USB cable only if swapping in a known-good cable makes USB scanning work again, and only after confirming the iX1600’s connector type in Ricoh’s documentation.
As background, ITPro’s 2021 review described starting setup over USB: when you then open the ScanSnap Home application, it mirrors the scanner’s control panel. This historical setup experience does not identify the cause of a Wi-Fi failure on your PC.
Should You Contact Ricoh Support or Replace the iX1600?
Contact Ricoh support before replacing anything. A Wi-Fi failure on its own doesn’t show the scanner is defective, especially if USB scanning works. Consider a replacement only if support confirms a hardware fault or that repair isn’t practical, or if your scanning volume has grown beyond what the iX1600 handles for you.
GearLab’s historical scanning performance tests provide background on the iX1600, rather than a diagnosis of its wireless hardware. Use the connection checks and support advice to decide whether your unit needs service.
If replacement is warranted, the ScanSnap iX2500 is the replacement candidate discussed here. The US retailer listing identifies the black model as PA03860-B005. It’s a different model with its own setup, so buying it isn’t a guaranteed fix for a router or IP problem. It still has to join your network and be selected in ScanSnap Home. Compare it with repair only after support confirms the fault, or after you identify a separate change in your scanning needs.
Please check the Amazon product page for the latest price and availability.
FAQ
Does my Windows PC also need to be on Wi-Fi?
Ricoh’s check is about the network, not how the PC connects: the network in the scanner’s [Access point connection] must match the network your computer is on. A PC on Ethernet can work if it’s on the same network and the router passes traffic between the two. If you see “Cannot find ScanSnap with the specified IP address.”, check the router path.
Does the iX1600 connect on 2.4 GHz or 5 GHz?
Check the iX1600-specific ScanSnap Help or ask Ricoh support to confirm the band and security settings that apply to your scanner before changing the router. Don’t copy settings published for another ScanSnap model.
Will a new router or a new scanner fix it?
Not necessarily. A new router means reconnecting the scanner to the new network. A new scanner still needs the right network, a valid IP address, and the right profile. If the failed link is a profile mismatch or a 0.0.0.0 address, new hardware may just move the problem.
How We Researched
This article is based on Ricoh’s official ScanSnap FAQ articles for the iX1600/iX1500 “device is not responding” error and connecting a ScanSnap to a computer via Wi-Fi, plus two independent 2021 iX1600 reviews from ITPro and GearLab, used only as background on setup and real-world use. The iX2500 details come from a US retailer listing. We have not conducted hands-on lab testing. Menu names follow Ricoh’s FAQ and may vary by ScanSnap Home version.
Bottom Line
Fix the failed link, not the whole network. Check the touch panel’s Wi-Fi icon and [Access point connection], read the IP address, connect by IP in ScanSnap Home, and match the profile if the [Scan] button is grayed out. Use USB as a free test. Spend money only after Ricoh support confirms a hardware fault, or if your scanning needs have actually changed.
