TROUBLESHOOTING

Check the following troubleshooting list before requesting service as many problems can be fixed by the user. If you are unable to solve the problem by checking the list, turn off the main power switch and the power switch, unplug the power cord.

Problems related to general use of the machine are described below. For problems related to the copy function, see page 6-3.For problems related to document filing, see page 7-31.For fax, printer, and network scanner/Internet fax problems, see the manuals for those functions. For peripheral device problems, see the explanation of the device.

If the message "CALL FOR SERVICE. CODE:**-**"(Note)appears in the touch panel, turn off the main power switch and the power switch, wait about 10 seconds, and then turn the main power switch and the power switch back on. If the message still appears after turning the main power switch and the power switch off and on several times, it is likely that a failure has occurred that requires service. In this event, stop using the machine, unplug the power cord, and contact your Sharp dealer.

Note: Letters and numbers appear in "**-**". When you contact your Sharp dealer, please tell your dealer what letters and numbers appear.

Problem

 

Check

Solution or cause

 

 

 

 

 

 

 

 

 

 

Machine plugged in?

Plug the machine into a grounded outlet.

 

 

 

 

 

 

 

 

 

The main power switch and power

Turn on the main power switch and the power

 

 

 

switch are not turned on?

switch. (Page 1-17)

 

 

 

 

 

 

 

 

 

 

The printer is warming up. (Warm-up time is

The machine does

READY indicator off?

approximately 120 seconds.) Wait until

the

 

READY indicator lights up.

 

not operate.

 

 

 

 

 

 

 

 

Message indicating need to load paper

Load paper. (Page 2-2)

 

 

 

 

 

 

 

 

displayed?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Message indicating need to replace the

Replace the toner cartridge. (Page 2-21)

 

 

 

 

toner cartridge displayed?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Message indicating a paper misfeed

Remove misfed paper. (Page 2-23)

 

 

 

 

displayed?

 

 

 

 

 

 

 

 

 

 

 

Copying/printing

is

A message appears saying that this type

Two-sided printing is not possible on special

of paper cannot be used for two-sided

paper. Use paper that can be used for automatic

not possible.

 

 

copying.

two-sided printing. (Page 2-13)

 

 

 

 

 

 

 

 

 

 

 

Incorrect

bypass

Incorrect display of paper sizes , A3, B4,

When loading sizes A3, B4, A4R, 11" x 17",

 

A4R, 11" x 17", 8-1/2" x 14", 8-1/2" x 13"

8-1/2" x 14", 8-1/2" x 13" or 8-1/2" x 11"R,

be

tray paper size.

 

 

or 8-1/2" x 11"R only.

sure to open the tray extension.

 

 

 

 

 

 

 

 

 

Copying/printing

on

The number of sheets placed on the bypass

Do not place more than the maximum number of

paper

from

the

tray exceeds the maximum number.

sheets.

 

bypass

tray

is

 

 

The bypass guide is not adjusted to the

Adjust the bypass guide to the size of the loaded

skewed.

 

 

size of the loaded paper.

paper.

 

 

 

 

 

 

 

2-32

Page 61 Page 63
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Image 62
Sharp MX-M620N, MX-M700N, MX-M550U, MX-M700U, MX-M550N, MX-M620U specifications Troubleshooting, Problem Check Solution or cause
Page 61 Page 63

MX-M620U, MX-M550N, MX-M700U, MX-M620N, MX-M550U specifications

The Sharp MX-M620U, MX-M550U, MX-M620N, MX-M700U, and MX-M550N are a series of multifunctional printers that cater to the varying needs of modern businesses. These devices are designed to deliver high-quality output, efficient performance, and advanced functionalities, making them an ideal choice for offices that prioritize productivity and ease of use.

At the core of these models is Sharp’s advanced imaging technology, capable of producing crisp and clear documents at high resolutions. The MX-M620U, with a print speed of up to 62 pages per minute, and the MX-M700U, which can print up to 70 pages per minute, are particularly well-suited for environments with high-volume printing demands. The MX-M550U and MX-M550N, on the other hand, provide a great balance between performance and cost-efficiency, offering speeds of up to 55 pages per minute.

These printers feature a range of paper handling options, including multiple paper trays and the capability to manage different media types, enabling users to create professional-quality documents such as reports, presentations, and marketing materials. The intuitive touch-screen interface simplifies operation, allowing users to navigate through various functionalities easily.

Security is a significant consideration for these models. They incorporate advanced security features including user authentication, data encryption, and secure printing options to protect sensitive information.

Connectivity options are abundant, featuring standard USB, Ethernet, and optional Wi-Fi capabilities. These devices support various mobile printing protocols, enabling employees to print from smartphones and tablets conveniently.

The MX-M620N and MX-M550N models offer additionally integrated networking features, making it easier to manage print jobs in larger office setups. Furthermore, all models support Sharp’s innovative cloud services, providing robust solutions for document management that enhance collaboration and productivity within teams.

With energy-saving technologies, these multifunction printers are designed to minimize their environmental impact. They offer low power consumption and are compliant with international energy efficiency standards, ensuring that businesses can operate sustainably.

In summary, the Sharp MX-M620U, MX-M550U, MX-M620N, MX-M700U, and MX-M550N provide high-speed printing, impressive image quality, comprehensive security, and versatile connectivity options, establishing themselves as reliable assets in any workplace. Their blend of innovative technology, user-friendly features, and eco-conscious design makes them suitable for both small offices and large enterprises looking to enhance operational efficiency.
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