Panasonic FP-7818 Guide de dépannage

ORDER NO. OED9909380B8

copying and distribution is a violation of law.

FP-7818/7824/7830/7835/7845/7850 Service Manual

Service Manual

Parts Manual

Plain Paper Copier

FP-7818/7824/7830

FP-7835/7845/7850

Staple Sorter

FA-S620/660

System Console

FA-DS72/82

WARNING

This service information is designed for experienced repair technicians only and

is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of

potential dangers in attempting to service a product.

Products powered by electricity should be serviced or repaired only by experienced

professional technicians. Any attempt to service or repair the product or products

dealt with in this service information by anyone else could result serious injury or

death.

For U.S.A

This equipment has been tested and found to comply with the limits for a Class A

digital device, pursuant to part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference when the equipment

is operated in a commercial environment. This equipment generates, uses, and

can radiate radio frequency energy and, if not installed and used in accordance

with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment on a residential area is likely to

cause harmful interference in which case the user will be required to correct the

interference at his/her own expense.

Any unauthorized changes or modifications to this equipment would void the users

authority to operate this device.

For U.S.A

This manual was developed and is supplied to authorized servicing dealers by

Panasonic Document Imaging Co. for the sole purpose of providing information

necessary for the equipment’s proper support. It is intended that this information

be confidential and may not reproduced without prior written consent from

Panasonic Document imaging Co. Panasonic Document imaging Co. reserves

the right to change any information enclosed herein without prior notification.

This manual was developed and is supplied to authorized servicing dealers by

Panasonic Co. for the sole purpose of providing information necessary for the

equipment’s proper support. It is intended that this information be confidential

and may not be reproduced without prior written consent from Panasonic Co.

Panasonic Co. reserves the right to change any information enclosed herein without

prior notification.

This manual dose not contain descriptions of PCB Connector and Signal

Information and Sub Assemblies Operation which are discribed and unchanged

in the FP-7718/7722/7728/7735/7742/7750 service manual. For those items not

covered in this manual, please refer to the FP-7718/7722/7728/7735/7742/7750

service manual or PCB repaire manual.

Contents / Index

I. Introduction

1.1 Specification ..................................................................................... 1-1

1.2 Features............................................................................................ 1-3

1.3 System Configuration ....................................................................... 1-4

1.4 Operation .......................................................................................... 1-6

(1) Special Effects Panel (FP-7818/7824/7830/7835) ...................... 1-7

(2) Communications Monitor (FP-7818/7824/7830/7835) ................ 1-8

1.5 Component Location......................................................................... 1-9

(1) Inner view.................................................................................. 1-10

(2) Fan/Motor Location ................................................................... 1-11

(3) Sensor Location ........................................................................ 1-12

(4) Solenoid/Clutch/Discharge lamp Location ................................ 1-13

(5) PCB Location ............................................................................ 1-13

1.6 Copy Process ................................................................................. 1-14

1.7 Precautions on Set Up.................................................................... 1-15

1.8 Precautions with Consumables ...................................................... 1-16

II. New Function

2.1 Image Control

Qualitative Reasoning Based Adaptive Controller .........

2-1

2.2 Toner Density Control....................................................................... 2-3

2.3 Trouble Avoidance Mechanism ........................................................ 2-5

2.4 Toner Recycling System................................................................... 2-7

2.5 Re-try Control for Paper Misfeed ...................................................... 2-8

III. Sub Assemblies

3.1 Main Drive......................................................................................... 3-1

(1) Detecting sheet bypass paper size ............................................. 3-2

(2) Developing .................................................................................. 3-3

(3) Supplying toner ........................................................................... 3-4

(4) Toner level detection................................................................... 3-5

(5) Temperature control.................................................................... 3-6

(6) Automatic detection of original paper size .................................. 3-7

(7) Adjusting quantity of light of AE sensor ...................................... 3-7

Introduction

Control

Functions

Sub Assemblies

Preventive

Maintenance

Troubleshooting

Unpacking/

Installation

IV. Preventive Maintenance

4.1 Precautions for Periodic Maintenance Service ................................. 4-1

4.2 Maintenance chart ............................................................................ 4-2

4.3 Cleaning Method............................................................................... 4-4

4.4 Disassembly and Re-assembly ........................................................ 4-7

(1) Multi-feed bypass ........................................................................ 4-8

(2) Paper feed unit.......................................................................... 4-11

(3) Developer unit ........................................................................... 4-14

(4) Fuser unit .................................................................................. 4-19

(5) Optics unit ................................................................................. 4-24

(6) Automatic duplex unit (ADU ).................................................... 4-32

(7) Main Body ................................................................................. 4-35

V. Troubleshooting

5.1 Service Mode.................................................................................... 5-1

(1) Service mode functions............................................................... 5-1

(2) Service mode procedure ............................................................. 5-2

(3) F4 mode ...................................................................................... 5-4

(4) F5 mode Copier function programming..................................... 5-16

(5) F6 mode Adjustment and programming.................................... 5-23

(6) F7 mode electronic counter....................................................... 5-29

(7) F8 mode copier operation adjustment ...................................... 5-31

(8) F9 Telephone# input ................................................................. 5-33

5.2 Self-diagnostics/Machine Malfunctions........................................... 5-34

(1) User error .................................................................................. 5-34

(2) Paper Jam................................................................................. 5-40

(3) Machine error ............................................................................ 5-43

5.3 User Preset Mode........................................................................... 5-58

VI. Unpacking/Installation

6. 1 Installation Requirements ............................................................... 6-1

6.2 Contents Check ............................................................................... 6-1

6.3 Unpacking........................................................................................ 6-1

6.4 Installation Procedure ...................................................................... 6-2

6.5 Adjustment....................................................................................... 6-7

6.6 White Density Adjustment.............................................................. 6-10

Caution:

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer.

Dispose of used batteries according to the manufacture's instructions.

For Sweden, and Denmark

SPECIALSÄKRING: ENDAST AV APPARATFABRINKANTEN LEVERERAD

SÄKRING FåR ANVÄNDAS.

VARNING!

Explosionsfara vid felaktigt batteribyte.

Använd samma batterityp eller ekvivalent typ som rekommenderas av

apparattillverkaren. Kassera använt batteri enligt fabrikantens instruktion.

ADVARSEL!

Lithiumbatteri—Eksplosionsfare ved

fejlagtig håndtering.

Udskiftning må kun ske med batteri

af samme fabrikat og type.

Lever det brugte batteri tilbage til

leverrandoren.

CAUTION!

Danger of explosion if battery is incorrectly replaced. Replace only with the

same or equivalent recommended by the manufacturer. Dispose of used

batteries according to the manufacturer’s instructions.

For Holland

Batterij niet

weggooien, maar

inleveren als KCA.

For U.K.

FOR YOUR SAFETY PLEASE READ THE FOLLOWING TEXT CAREFULLY.

This appliance is supplied with a moulded three pin mains plug for your safety and

convenience. A 13 amp fuse is fitted in this plug.

Should the fuse need to be replaced please ensure that the replacement fuse has a rating

of 13 amps and that it is approved by ASTA or BSI to BS1362.

Check for the ASTA mark or the BSI mark on the body of the fuse.

If the plug contains a removable fuse cover you must ensure that it is refitted when the fuse

is replaced.

If you lose the fuse cover the plug must not be used until a replacement cover is obtained.

A replacement fuse cover can be purchased from your local Panasonic Dealer.

IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE SOCKET OUTLET IN YOUR

OFFICE THEN THE FUSE SHOULD BE REMOVED AND THE PLUG CUT OFF AND

DISPOSED OF SAFELY.

THERE IS A DANGER OF SEVERE ELECTRICAL SHOCK IF THE CUT OFF PLUG IS

INSERTED INTO ANY 13 AMP SOCKET.

If a new plug is to be fitted please observe the wiring code as shown below.

If in any doubt please consult a qualified electrician.

WARNING: THIS APPLIANCE MUST BE EARTHED.

IMPORTANT: The wires in this mains lead are coloured in accordance with the following

code:

Green and Yellow :Earth

Blue :Neutral

Brown :Live

As the colours of the wires in the main lead of this appliance may not correspond with the

coloured markings identifying the terminals in your plug, proceed as follows:

The wire which is coloured GREEN-AND-YELLOW must be connected to the terminal in the

plug which is marked by letter E or by the safety EARTH symbol “ ” or coloured GREEN or

GREEN-AND-YELLOW.

The wire which is coloured BLUE must be connected to the terminal in the plug which is

marked with the letter N or coloured BLACK.

The wire which is coloured BROWN must be connected to the terminal in the plug which is

marked with the letter L or coloured RED.

How to replace the fuse.

Open the fuse compartment with a screwdriver and replace the fuse.

Fuse

iii

1-1

Introduction

Section I

Introduction

1. 1 Specifications

1.Type Desk Top

2.Copy process Electrostatic photographic method

3.Development process Two component magnetic brush

4.Maximum original size Ledger(11"x17") / A3(297 x 420mm)

5.Copy speed

FP-7818 FP-7824 FP-7830 FP-7835 FP-7845 FP-7850

(cpm)

Ledger/A3 :

12.5 15.5/16.0 18.50/19.00 20/20.5

Legal/B4,FLS

14 17.5/17.0 21.00/20.50 23.5/23

Letter-R/A4R

15.5 19.5/19.0 24.00/23.50 28.5/27.5 43/41.5

Letter/A4 :

18 24.0 30.00 35 45 50

Invoice/A5 :

18 24.0 30.00 35 45 50

6.First copy time

FP-7818 FP-7824 FP-7830 FP-7835 FP-7845 FP-7850

(sec) letter/A4 size 4.8 4.0 4.0 4.0 2.9 2.9

without Auto mode

letter/A4 size 6.2 5.1 5.1 5.1 3.6 3.6

with Auto mode

7.Copy ratio Enlargement(fixed) : 2.00, 1.73, 1.41, 1.22, 1.15

Reduction (fixed) : 0.87, 0.82, 0.71, 0.58, 0.50

Zoom : 50%-200% (1%step)

8.Copy size Ledger/A3–Invoice/A5

9.Paper capacity Cassette :

550 sheets x 2 (550 sheets:FP-7818)

Multi-feed bypass : 50 sheets

10.Paper feed Front loading universal paper cassette

Multi-feed bypass tray

11.

Paper exit tray capacity

250 sheets

12.Paper weight Cassette : 16–24 lbs ( 60–90g/m2)

Bypass : 15–30 lbs (55–130g/m2)

13.Special paper OHP,Label paper, Tracing paper

(Through multi-feed bypass)

14.Continuous copying 1-999 reset to 1 (1-99 reset to 1 : FP-7818)

1-2

15.Fusing system Heat and Pressure

16.Photoreceptor Organic Photo Conductor(OPC)

17.Exposure control 7 step digital+Photo/Auto button

18.Warm up time FP-7818 approx. 40 sec.

FP-7824 approx. 50 sec.

FP-7830 approx. 75 sec.

FP-7835 approx. 75 sec.

FP-7845 approx. 180 sec.

FP-7850 approx. 270 sec.

19.Power consumption Less than 1.45 kW/1.5 kW

20.Power source AC120V 60Hz / AC220 - 240V 50Hz

21.Dimensions (W x D x H) 23.9" x 26.0" x 22.9" / 606 x 661 x 582 mm

(23.9" x 26.0" x 18.1" / 606 x 661 x 479 mm : FP-7818)

22.Weight (PU) (PG)

FP-7818 138.6 lbs / 64 kg

FP-7824 149.6 lbs / 70 kg

FP-7830 149.6 lbs / 70 kg

FP-7835 149.6 lbs / 70 kg

FP-7845 161 lbs / 73.5 kg

FP-7850 161.5 lbs / 73.7 kg

23.Ambient conditions Temperature : 50–86F/10–30 °C

Relative humidity : 30–80%

24.Optional accessories i-ADF FA-A888

ADF FA-A505

Sorter FA-S280

(10bin sorter: FP-7818/7824/7830)

FA-S575/S660/S680

(20bin sorter: except FP-7818)

System console FA-DS72: FP-7818/7824/7830/7835

FA-DS82: FP-7845/7850

LCC FA-MA301

* Specifications are subject to change without notice.

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