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, and unplug the power cord.

Problems related to the copy function are described below. For problems related to general use of the machine, see page 2-26.

Problem

 

Check

Solution

 

 

 

 

Machine does

not

Is the [START] key indicator off?

This indicates that the machine is warming

operate.

 

 

 

up (warming up lasts no more than 120

 

 

 

 

 

seconds after the power switch is turned on).

 

 

 

 

 

Copying is not possible during this time.

 

 

 

 

 

Wait until the [START] key light illuminates.

 

 

 

Copies are too dark

Is the original image too dark or too light?

Select an appropriate exposure mode for

or too light.

 

 

 

the original being copied and adjust the copy

 

 

 

 

 

exposure. (See page 4-14.)

 

 

 

 

 

 

 

 

 

 

Is the exposure mode set to "AUTO"?

The exposure level for "AUTO" can be

 

 

 

 

 

adjusted using the "Exposure adjustment"

 

 

 

 

 

key operator program. Contact your key

 

 

 

 

 

operator. (See page 14 of the key operator's

 

 

 

 

 

guide.)

 

 

 

 

 

 

 

 

 

 

An appropriate exposure mode for the

Change the exposure mode to "AUTO" or

 

 

 

 

original has not been selected.

manually select an appropriate resolution

 

 

 

 

 

setting. (See page 4-14.)

 

 

 

Text is not clear on a

An appropriate exposure mode for the

Change the exposure mode to "TEXT". (See

copy.

 

 

 

original has not been selected.

page 4-14.)

 

 

 

Smudges appear on

Document glass or document cover dirty?

Clean regularly. (See page 6-2.)

copies.

 

 

 

 

 

 

 

 

Black lines appear on copies when the

Clean the original scanning area. (See page

 

 

 

 

 

 

 

 

automatic document feeding function is

6-2.)

 

 

 

 

used.

 

 

 

 

 

 

 

 

 

 

 

Original smudged or blotchy?

Use a clean original.

 

 

 

 

 

Image

cannot

be

Is the auto paper select or auto image

Rotation copy functions only if the machine

rotated.

 

 

function selected?

is either in the auto paper select mode or in

 

 

 

 

 

the auto image mode. (See page 4-15.)

 

 

 

 

 

Part

of

original

Is the original positioned correctly?

Set the original properly. (See page 4-3.)

image is not copied.

 

 

Is the copy ratio proper for the original and

Use the auto image function to select the

 

 

 

 

 

 

 

 

paper sizes?

appropriate copy ratio based on the original

 

 

 

 

 

and copy sizes. (See page 4-15.)

 

 

 

 

 

Blank copies

 

 

Is the original placed correctly?

When using the document glass, place the

 

 

 

 

 

original face down.

 

 

 

 

 

When using the automatic document feeder,

 

 

 

 

 

place original face up. (See page 4-3.)

 

 

 

 

 

Order

of

copies

Is the order of originals correct?

When using the document glass, place the

incorrect

 

 

 

originals from the first page one sheet at a

 

 

 

 

 

time.

 

 

 

 

 

When using the automatic document feeder,

 

 

 

 

 

place the originals with the first page up.

 

 

 

 

Job

cancellation

Is a message requesting cancellation of job

Press the [CA] key to cancel the current job.

needed

 

 

 

displayed?

 

 

 

 

 

 

 

6

6-3

Page 132 Page 134
Page 133
Image 133
Sharp AR-M550N, AR-M700U, AR-M620N, AR-M700N, AR-M550U, AR-M620U specifications Troubleshooting
Page 132 Page 134

AR-M620U, AR-M550U, AR-M700N, AR-M620N, AR-M550N specifications

The Sharp AR-M700N, AR-M550U, AR-M620U, AR-M700U, and AR-M620N are multifunctional digital copiers designed for medium to large businesses. These models are recognized for their robustness, efficiency, and high-quality output, catering to diverse office needs.

The AR-M700N is a versatile device that offers advanced printing, copying, and scanning capabilities. With a speed of up to 70 pages per minute, it is engineered for high-volume environments. The device features a large, user-friendly touch screen interface, making navigation and operation straightforward. Its automatic duplex printing capability enhances productivity while reducing paper usage. The AR-M700N supports various paper sizes and weights, accommodating a wide range of printing tasks.

The AR-M550U stands out for its efficiency and reliability, boasting a speed of 55 pages per minute. It incorporates state-of-the-art imaging technology, ensuring that text and graphics are printed with exceptional clarity. The device features a generous paper capacity, which can be expanded with additional trays, making it adaptable to your organization’s growing needs. An advanced scanning function allows for quick digitization of documents, further streamlining workflows.

The AR-M620U operates at a speed of 62 pages per minute, bridging the gap between productivity and quality. This model includes a robust scanning function compatible with various file formats, including PDF and TIFF. Its Smart Scan feature allows users to send scanned documents directly to email or network folders, enhancing collaboration. The AR-M620U’s flexible finishing options, including sorting and stapling, make it ideal for preparing large document sets efficiently.

The AR-M700U combines high-speed output with multifunctionality. It is designed with a focus on office productivity, offering easy integration into existing IT infrastructures. Support for wireless and network printing is a highlight, allowing remote access and print capabilities from mobile devices. The Sharp OSA technology allows seamless integration with third-party applications, which facilitates customized workflows.

The AR-M620N is a compact and efficient model designed for environments requiring consistent performance. Similar to the other models, it features a high-speed output and various scanning capabilities. The user-centric design includes customizable shortcuts on the control panel, ensuring that frequently used functions are readily accessible.

In conclusion, the Sharp AR series exemplifies reliable and innovative office technology. With a range of features such as high-speed printing, versatile finishing options, and efficient scanning, these models are well-suited for businesses seeking to enhance their document management and productivity.
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