SHARP AR 800 Service Manual

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SERVICE MANUAL

CODE : 00ZAR800//A1E

DIGITAL COPIER

MODEL

CONTENTS

[ 1 ] SPECIFICATIONS•ACCESSORIES•OPTIONS•SUPPLIES. . . 1 - 1

[14] FUSER UNIT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 - 1

AR-800

(Maintenance tables)

Parts marked with “ “ are important for maintaining the safety of the set.
Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been published to be used for

SHARP CORPORATION

after sales service only.
The contents are subject to change without notice.

GENERAL

The major differences between the AR-800 and the AR-650 are
described below.

1. Specifications

The major differences between the AR-800 and the AR-650
lie in the copy (print) speed and the maintenance cycle.

(Max. copy (print) speed)

AR-650: 65CPM (PPM)
AR-800: 80CPM (PPM)

The process speed is the same, but the paper feed interval
differs.

(Maintenance cycle and consumable parts replacement cycle)

AR-650: Every 400K
AR-800: Every 440K

2. Hardware

Differences between the AR-800 and the AR-650

1) The PWA-F-LGC PWB differs.
AR-650: PWA-F-LGC-300
AR-800: PWA-F-LGC-304

(Different parts): Connector, EEPROM, FLASH ROM

The above two PWBs are not compatible each other.

2) Front cabinet

3) Model badge

3. Options

The AR-P13 (printer unit) is also revised for either of two
models, the AR-650 and the AR-800.
The differences between the old and new versions are as
follows:

(AR-P13 for AR-650)

Characters printed on the packing case are in black.
Firmware version: 1.43
Software version: (CD-ROM) 1.10

(Printed on the packing case)

(AR-P13 for AR-650/800)

Characters printed on the packing case are in blue.
Firmware version: 1.44
Software version: (CD-ROM) 1.20

(Printed on the packing case)

The service documents are based on the above contents.

A. Service manual

Chapter 1. SPECIFICATIONS, ACCESSERIES, OPTIONS,
SUPPLIES
Comprehensive contents of the AR-800 and the AR-650
(Complete version)
Chapter 14. FUSER UNIT
Since the temperature control of the fusing section on page
14-5 differs between the AR-800 and the AR-650, the
temperature control of the AR-800 is added.
Only the contents of page 14-5 are described.

B. Actual wiring diagram

Since the PWA-F-LGC-304 (for AR-800) is newly employed,
the connector wiring is changed and the actual wiring
diagram is changed. The actual wiring diagram for the AR­800 is newly prepared.

C. Service Handbook

Though the maintenance cycle and the consumable parts
replacement cycle differ between the AR-800 and the AR­650, the contents of the Service Handbook are not changed.
Be sure to note the maintenance cycle of both models for
servicing.
AR-650: Every 400K
AR-800: Every 440K

D. Parts Guide

Only the different sections between the AR-650 and the AR­800 are prepared.
Sections 1, 2, 5, 6, 13, 31, 39, 47, 62, 86, 101, 203, 204
(including the contents of both models, AR-800/AR-650)

For servicing of the AR-800, use these documents as well
as the service document of the AR-650.

4. Others

The temperature control in the fusing section differs between
the AR-650 and the AR-800.

Except the above, the AR-800 and the AR-650 are the same.

1. SPECIFICATIONS • ACCESSORIES • OPTIONS • SUPPLIES

1.1 Specifications

1. System
Copy system Indirect electronic photo system (Dry type)

Body type Console type
Original table type Fixed type (Left center reference)
Original cover RADF standard provision
Frame structure Fixed frame type
Photoconductor OPC drum (ø100)
Original scan system

Scan data output system 1-scan multi-copy system
Exposure system

Developing system 2-component magnetic brush developing system
Discharging system Photo discharging by red LED
Charging system Negative corona system (Scorotron)
Transfer system Transfer belt system
Separation system Transfer belt system
Transfer belt cleaning system Fur brush system + Blade system
Drum cleaning system Blade system + Fur brush system
Toner supply system Toner hopper system, right top side toner bottle supply

Toner density adjustment system Magnetic auto toner system
Toner empty detection system

Scan sensor CCD line sensor (7500 pixel)
Scan resolution 600 x 600dpi
Scan light source Halogen lamp (180W)

Exposure light source Semiconductor laser
Exposure resolution 600dpi
Scan system Using polygon mirror

system

1. Mechanical sensor system
Note 1: When detecting, the toner supply lamp flashes.

Fusing system

2. Electrical system (Using auto toner sensor)
Note 1: When detecting toner empty, the toner supply
lamp flashes and the message is displayed.

Heat roller system
Infrared heater (Upper) 2 pcs.
700W + 600W

Roller dia. (Upper) ø 60mm
Roller dia. (Lower) ø 60mm

1 - 1 SPECIFICATIONS

2. Basic specifications

A. Copy speed
(1) Continuous copy

Paper feed system
Paper size

A4,B5,A5-R,LT,ST-R
A4-R,B5-R,LT-R
B4,FOLIO,LG,COMP
A3,LD

AR-650

65(55)

-

-

-

LCF

AR-800

80

-

-

-

Cassette

AR-650

65
51
44
38

AR-800

74
61
52
43

Size specified

AR-650

48
42
37
33

Note 1: The above specifications are for manual feed, single and continuous copy.
Note 2: The state which is other than the toner supply mode.

(2) First copy

AR-650

First copy time

3.9sec or less

Note 1: The above specification is for manual feed, normal size, A4/LT size, LCF feed.
Note 2: When APS is not used.

B. Warming up time

Normal About 420sec at 20°C

C. Original

Max. size A3 or LD
Kind Sheet, cubic material, book
Original size detection

Glass surface: Provided
Note 1: Fixed detection system with the platen cover open

Manual feed

AR-800

48
42
37
33

3.6sec or less

Size not specified

AR-650

33
33
33
33

AR-800

AR-800

33
33
33
33

RADF: Provided
Note: The original width and length are detected in RADF feed.
Note 2: Only the first sheet is detected except when the mixed original mode is
selected.

Fixed size

auto detection

SPECIFICATIONS 1 - 2

AB series: A3,A4,A4-R,A5-R,B4,B5,B5-RAllowable original size for
LT series: LD,LG,LT,LT-R,ST-R

D. Paper
(1) Size

Fixed size

Cassette

AB series: A3,A4,A4-R,A5-R,B4,B5,B5-R,FOLIO
LT series: LD,LG,LT,LT-R,ST-R,COM
AB series: A3,A4,A4-R,A5-R,B4,B5,B5-R,FOLIOSFB
LT series: LD,LG,LT,LT-R,ST-R,COM

LCF : A4,LT,B5

Note 1: Postcards cannot be used.
Note 2: Name cards cannot be used.
Note 3: Same surface copy cannot be used.
Note 4: Envelopes cannot be used.
Note 5: The paper width of fixed size is detected with the manual tray guide width.
Note 6: The upper stage of B5 cassette cannot be used.
Note 7: SFB mixed size paper cannot be used.

(2) Kind

Cassette

LCF
PPC paper

SFB

PPC paper
Tracing paper: Out of warranty
OHP film: Out of warranty
Label sheet: Out of warranty

Note 1: Only one sheet feed is allowed except for PPC paper.
Note: Special paper such as postcards and PPC paper with punch holes cannot be used.

(3) Weight

Cassette, LCF 64~ 80 g/m2,17~ 22 lbs

64~ 80 g/m2,17~ 22 lbs Continuous feed allowedSFB
80~157g/m

2

,22~ 41 lbs Only one sheet feed allowed

(4) Curl level

Curl level PPC paper: The highest point when paper is put on a flat surface must be 5mm or less.

1 - 3 SPECIFICATIONS

E. Paper feed

Paper feed means

LCF
Cassettes: 3 steps (Drawers of the copier)
SFB

Capacity

LCF: 4,000 sheets (Load height: max. 415mm)
Cassette: 500 sheets (Load height: max. 55mm)
SFB: 100 sheets (Load height: max. 11mm)
Note 1: 50 sheets for SFB duplex copy.
Note 2: However, the cassette load height is displayed as
53mm.
Note 3: however, the SFB load height is displayed as 10mm.

Manual feed start Start key start
Priority feed means LCF priority

Note 1: By data input of the adjustment mode, another paper

Factory setup: LCF
priority

feed means can have priority to be selected.
Manual feed size
specification

After setting paper, press the paper size key to specify the

paper size.

Note 1: By specifying the paper size, the binding margin,

duplex edge erase, and continuous page copy can be

performed. For APS and AMS, invalid.

F. Continuous copy

No. of sheets Increment of 1 sheet up to max. 999 sheets
Input system 10-key input
Count system Reduction system

Note 1: “1”is displayed in auto clear and warming up.

G. Density adjustment

Auto density adjustment Available
Manual density adjustment 11-step adjustment (Operated with

keys on the control panel LCD)

Priority mode Auto density adjustment

Factory setup: Auto
Note 1: By data input of the adjustment
mode, selection of auto/manual is
allowed.

H. Picture quality mode

Picture process mode Standard/Photo/Text mode
Priority mode Standard mode

Note: By data input of the adjustment mode, the mode can be selected.

I. Magnification ratio
(1) Reduction and enlargement

Reduction and enlargement Auto setup system depends on selecting

size and paper size.

Note 1: A desired fixed-size series (including a different
series) can be selected: Japan A5, UNIVERSAL,
OTHER.

the original

SPECIFICATIONS 1 - 4