Some Canon models vulnerable to DoS attacks.
Canon U.S.A., Inc. has recently become aware of potential multiple buffer overflow vulnerabilities in these Canon laser printers and small office multifunctional printers: Affected models are: imageCLASS MF series MF1238 II MF1333C MF1643i II/MF1643iF II MF275DW/MF273DW/MF272DW MF455DW/MF453DW/MF452DW/MF451DW MF753CDW/MF751CDW imageCLASS LBP series LBP122DW LBP1238 II LBP1333C LBP237DW/LBP236DW LBP674CDW If the product is connected directly to the […]
How to add toner to printer？
Toner is a printing consumable used in laser printers. It is usually installed in the toner cartridge. If the toner is used up, it must be refilled. Toner can be added by yourself, so how to add printer toner? 1. Preparation work Prepare what you need first so that the operation will not be confusing. […]
Sudden! HP closes Russian website services
Recently, HP has closed its official Russian website in response to sanctions imposed by the United States. Russian users have been unable to obtain HP's official online support, including hardware driver downloads, basic software downloads, and online customer support. Users trying to access the original HP Russia website will be redirected to the official Kazakhstan […]
How to replace the drum core?
1. Do not touch the surface of the OPC drum with your hands. 2. It is strictly forbidden to use chemical reagents (such as alcohol) to wipe the OPC drum surface. 3. Do not hit the OPC drum surface with hard objects. 4. Be careful not to bring office supplies such as staples into the […]
How to greatly reduce the cost of consumables in print shops?
Do a good job in early equipment purchase and consider ink and media. In terms of ink, it is recommended that practitioners choose machines that support large-capacity ink cartridges, rather than just looking at the price of the ink cartridges. When employees in print shops choose ink cartridges, they usually pay most attention to its […]
How to clean and maintain toner cartridges?
1. First turn off the printer power switch and unplug the printer from the power socket. 2. Then open the flip cover of the laser printer, carefully remove the photosensitive drum assembly, and wipe its surface clean with absorbent cotton, but do not use force to prevent scratching the photosensitive drum surface. 3. Next, use […]
Ricoh announces price increase
According to the notification letter issued by Ricoh, Ricoh will adjust the prices of its color laminators, laminator consumables/parts, and printer consumables from March 1, 2024, by 2.5% to 5%. Ricoh said the price adjustment is affected by the overall trend of the domestic economy in 2023, and in the context of increasing raw materials, […]
