Canon has issued a notice for users of its LBP120 and MF270 series laser printers after identifying an issue in which newly installed units may unexpectedly shut down during printing. The notice was published on October 12 and is relevant to customers setting up new devices as well as organizations that recently added these models to a small-office fleet.
Why the notice matters during initial installation
A new printer is often installed at a busy moment: a home office is being prepared, a small business is replacing an older device or a team is adding a shared printer for daily paperwork. If a device shuts down during a print job, users may initially suspect a setup mistake, a faulty power cable or a problem with the computer. Canon’s notice indicates that an identified product issue may be involved for the models covered by the advisory.
Unexpected shutdowns are particularly disruptive because they can interrupt a job without giving the user a clear explanation. A document may remain in the print queue, a page may be incomplete or the printer may need to be restarted before work can continue. In an office that prints invoices, forms or dispatch documents, even a short interruption can create a backlog.
Do not treat repeated restarts as a fix
When a printer switches off, it is natural to try the power button or disconnect and reconnect the cable. However, repeatedly cycling power without checking the model-specific notice can make diagnosis harder. Users should first confirm whether their printer is one of the affected LBP120 or MF270 series devices and then review the current instructions from the regional Canon support organization.
If the unit is newly installed, keep the packaging, purchase details and serial number available. These details may be needed to confirm service eligibility. It is also useful to record the date of installation, the type of document being printed when the shutdown occurred and whether the problem has happened more than once.
Installation checks still matter
Although the notice identifies a product issue, owners should still make sure the printer is installed safely and according to its manual. Use a suitable wall outlet, avoid damaged power cords and ensure that the printer has adequate ventilation. Do not connect it to an overloaded extension strip. If other electrical devices are also losing power, the outlet or building circuit should be checked by a qualified professional.
For network setup, complete the normal driver and connection procedure only after confirming the device can remain powered on reliably. A network or driver fault generally does not explain a physical power loss, so changing wireless settings or reinstalling software is unlikely to address a hardware-related shutdown.
What small businesses should do
Organizations using multiple devices should identify the affected models in their asset list and communicate the advisory to employees who operate them. If a printer is business-critical, arrange a backup device or alternate printing route while the service situation is clarified. Avoid sending sensitive documents to an unapproved third-party print location simply to work around a temporary outage.
Follow official service instructions
The most important point is to distinguish an advisory from a generic troubleshooting tip. Canon has acknowledged a specific issue for the named printer families, so owners should follow the current regional service guidance rather than relying on forum suggestions or unofficial repair videos. A prompt support enquiry can help determine whether the unit needs inspection, repair or another manufacturer-directed action.
For customers, the notice is a reminder to check product advisories during initial setup and not to assume that every unexpected shutdown is caused by installation error. Keeping the model and serial number ready will make the support process more efficient.
How to prepare for a support request
Before contacting support, confirm the exact model designation rather than relying on a family name printed on the front panel. Take a photograph of the product label if it is safe and convenient, and keep the purchase date and retailer information available. If the printer shut down more than once, record the dates and whether the failure happened with the same document or paper type. Do not repeatedly reproduce the fault just to gather more evidence.
Businesses should notify employees who share the printer and provide an alternative route for urgent work. If several devices are installed, check each model against the advisory instead of assuming that every printer in the office is affected. A documented inventory helps the organization respond quickly if the manufacturer publishes additional service information.
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