Troubleshooting

If you experience difficulty using the machine, check the following troubleshooting guide before calling for service. Many problems can be easily resolved by the user. If you are unable to solve the problem using the troubleshooting guide, turn off the power switch, unplug the machine, and contact your authorised service representative. The following problems are related to the general operation of the machine and copying.

For problems related the to printer, fax, and network scanner functions, see the corresponding operation manuals.

Problems related to machine operation

Problem	Cause and solution	Page
Power switch OFF.		13
→	Turn the power switch ON.

The machine is warming up.

→The machine requires about 23 seconds to warm up after the

		power switch is turned on. While the machine is warming up,	13
		copy settings can be selected but copying is not possible. Wait
The machine does not operate.		until "READY TO COPY." appears.
The machine does not operate.
	Out of paper.		17
	→	Load paper.	17
	→	Load paper.

	Out of toner.		71
	→	Replace the toner cartridge.	71
	→	Replace the toner cartridge.

	Misfeed occurs.		63
	→	Remove the misfed paper.	63
	→	Remove the misfed paper.

	The machine is in auto power shut-off mode.
	→ If only the [START] key ( ) blinks, auto power shut-off mode		14
The power is on but copying is not		has activated. Press the [START] key ( ) to return the machine	14
The power is on but copying is not
possible.		to normal operation.
	Copy mode is not selected.		10
	→	Press the [COPY] key to select copy mode.	10
	→	Press the [COPY] key to select copy mode.

	Automatic two-sided copying was attempted on paper
	that is not suitable for automatic two-sided copying.		27
	→	Two-sided copying is not possible on special paper. Use paper	27
	→
Two-sided copying is not possible.		that is suitable for automatic two-sided copying.

	Two-sided copying is prohibited in the key operator		Key
	Two-sided copying is prohibited in the key operator
	programs.
	programs.		operator’s
	→	Change the setting in the key operator programs to permit	operator’s
	→	Change the setting in the key operator programs to permit	guide
		two-sided copying.	guide
		two-sided copying.

Wrong paper size is displayed for	The bypass tray extension is not pulled out.		18
Wrong paper size is displayed for	→ To detect the paper size correctly, the bypass tray extension
paper in the bypass tray.
paper in the bypass tray.		must be pulled out when the paper is loaded.
		must be pulled out when the paper is loaded.

A copy job stops before it is	Too many pages have accumulated in the output tray,
A copy job stops before it is	causing the tray full sensor to activate. Further		-
finished.	copying is not possible until the pages are removed.		-
finished.	copying is not possible until the pages are removed.
	→ Remove the pages from the output tray.

The contrast of the touch panel is	The display contrast has not been adjusted.		52
The contrast of the touch panel is	→ Adjust the contrast using "DISPLAY CONTRAST" in the custom
too high or too low.
too high or too low.		settings.
		settings.

	Neither auto paper selection nor auto image mode are
	selected.		25, 30
	→	Rotation copy functions only if auto paper select mode or auto	25, 30
	→
Image cannot be rotated.		image mode is selected.

	Rotation copy is prohibited in the key operator		Key
	Rotation copy is prohibited in the key operator
	programs.
	programs.		operator’s
	→	Change the setting in the key operator programs to permit	operator’s
	→	Change the setting in the key operator programs to permit	guide
		rotation copying.	guide
		rotation copying.

AR-M236, AR-M276 specifications

The Sharp AR-M237, AR-M277, AR-M276, and AR-M236 are part of Sharp’s versatile series of multifunction printers designed for offices and business environments. These models stand out for their performance, reliability, and diverse functionalities, catering to the diverse needs of modern workplaces.

One of the key features across these models is their impressive print speeds, with the AR-M237 and AR-M236 offering up to 23 pages per minute, while the AR-M276 and AR-M277 reach up to 27 pages per minute. This ensures efficient document output, catering to busy office settings that require quick turnaround times. The devices support various paper sizes and formats, including letter, legal, and custom sizes, enhancing flexibility for different printing tasks.

In terms of print quality, these multifunction printers utilize advanced laser technology, delivering sharp, clear text and vibrant images. The resolution can reach up to 600 x 600 dpi, ensuring that documents are professional and polished. This high-quality output is crucial for businesses that rely on well-presented materials.

The AR series is equipped with robust scanning capabilities, allowing the user to scan documents directly to email or network folders. The scanner also supports various file formats, including PDF and TIFF, enhancing document sharing and archiving processes within organizations. Additionally, these models come with optional duplex printing, which further streamlines workflows by allowing automatic double-sided printing.

Technology-wise, the AR-M237, AR-M277, AR-M276, and AR-M236 come with an intuitive touch screen interface, simplifying operation and navigation through multiple functions. The user-friendly design minimizes training time for new users and improves overall productivity.

Moreover, network connectivity options enhance functionality, enabling seamless integration into existing office setups. Whether through Ethernet or USB connections, these devices can be easily networked, allowing multiple users to access the printer's full features, including printing, scanning, and copying remotely.

Energy efficiency is another commendable characteristic of these printers. They comply with various energy standards, allowing businesses to minimize their environmental impact while reducing operational costs.

In summary, Sharp's AR-M237, AR-M277, AR-M276, and AR-M236 multifunction printers offer a balanced combination of speed, quality, and versatility. Their advanced features and user-friendly technologies make them suitable choices for businesses seeking efficient and reliable printing solutions.