Xerox WorkCentre XK50cx Bedienungsanleitung

SERVICE

INKJET PRINTER

WorkCentre XK50cx

Manual

INKJET PRINTER CONTENTS

1. Precautions

2. Specifications

3. Disassembly and Reassembly

4. Circuit

5. Troubleshooting

6. Exploded Views and Parts List

7. Electrical Parts List

8. Block Diagrams

9. Schematic Diagrams

1. Precautions

Follow these safety, ESD, and servicing precautions to prevent personal injury and equipment damage.

1-1 Safety Precautions

1-1

1. Be sure that all built-in protective devices are in

place. Restore any missing protective shields.

2. Make sure there are no cabinet openings

through which people- particularly children-

might insert fingers or objects and contact

dangerous voltages.

3. When re-installing chassis and assemblies, be

sure to restore all protective devices, including

control knobs and compartment covers.

4. Design Alteration Warning:

Never alter or add to the mechanical or electrical

design of this equipment, such as auxiliary

connectors, etc. Such alternations and

modifications will void the manufacturer’s

warranty.

5. Components and parts damaged should be

replaced with parts which meet the original

specifications. Always determine the cause of

damage and correct any potential hazards.

6. Observe the original lead dress, especially near

sharp edges, and AC power supply. Always

inspect for pinched, out-of-place, or frayed

wiring. Do not change the spacing between

components and the printed circuit board.

7. Product Safety Notice:

Some electrical and mechanical parts have

special safety-related characteristics which

might not be obvious from visual inspection.

These safety features and the protection they

provide could be lost if a replacement

component differs from the original. This holds

true, even though the replacement may be rated

for higher voltage, wattage, etc.

Components critical for safety are indicated in

the parts list with symbols . Use only

replacement components that have the same

ratings, especially for flame resistance and

dielectric specifications. A replacement part that

does not have the same safety characteristics as

the original may create shock, fire, or other

safety hazards.

1-2

Precautions

1-2 ESD Precautions

Certain semiconductor devices and CIS (Contact

Image Sensor) can be easily damaged by static

electricity. Such components are commonly called

“Electrostatically Sensitive Devices”, or ESDs.

Examples of typical ESDs are: integrated circuits,

some field effect transistors, semiconductor “chip”

components, and the CIS in scanner.

The techniques outlined below should be followed

to help reduce the incidence of component damage

caused by static electricity.

CAUTION: Be sure no power is applied to the

chassis or circuit, and observe all

other safety precautions.

1. Immediately before handling a semiconductor

component or semiconductor-equipped

assembly, drain off any electrostatic charge on

your body by touching a known earth ground.

Alternatively, employ a commercially available

wrist strap device, which should be removed for

your personal safety reasons prior to applying power

to the unit under test.

2. After removing an electrical assembly equipped

with ESDs, place the assembly on a conductive

surface, such as aluminum or copper foil, or

conductive foam, to prevent electrostatic charge

buildup in the vicinity of the assembly.

3. Use only a grounded tip soldering iron to solder

or desolder ESDs.

4. Use only an “anti-static” solder removal device

Some solder removal devices not classified as

“anti-static” can generate electrical charges

sufficient to damage ESDs.

5. Do not use Freon-propelled chemicals. When

sprayed, these can generate electrical charges

sufficient to damage ESDs.

6. Do not remove a replacement ESD from its

protective packaging until immediately before

installing it. Most replacement ESDs are

packaged with all leads shorted together by

conductive foam, aluminum foil, or a

comparable conductive material.

7. Immediately before removing the protective

shorting material from the leads of a

replacement ESD, touch the protective material

to the chassis or circuit assembly into which the

device will be installed.

8. Maintain continuous electrical contact between

the ESD and the assembly into which it will be

installed, until completely plugged or soldered

into the circuit.

9. Minimize bodily motions when handling

unpackaged replacement ESDs. Normal

motions, such as the brushing together of

clothing fabric and lifting one’s foot from a

carpeted floor, can generate static electricity

2. Specifications

2-1 Copier

Scanner Type Flat-bed without ADF (Automatic Document Feeder)

Maximum Original Size A4/Letter

Maximum Paper Size A4/Letter/Legal

Maximum Scan Width 216 mm

Optical Resolution (HxV) 600 x 600 dpi

Copy Quality Fast, Normal, Best

Paper Type Selection Plain, Coated, Glossy, Transparency

Mono Copy Speed (1) Fast: 3cpm, Normal : 1.5cpm

Color Copy Speed (1) Fast: 1.5cpm, Normal : 0.8cpm

Effective Print-edge Margin Top: 3.4mm, Bottom: 19.05mm, Each Side: 6.5mm

Multicopy 50 pages (Memory Multicopy: Mono Fast Mode Only)

Zoom Rate 25 % ~ 400 % (1 % Step)

Fixed R/E Settings 100 %, Autofit, Clone

Contrast Control 3 Steps

Ink Saver Mode Use Fast Mode (<20 % Savings)

Auto Sensing Check Paper Jam , Low Ink

FCOT Cold/Warm About 55 sec for Default Mode Copy

Note:

(1) Speed claims based on the test chart: Printed spdtst.sam(mono), Printed spdtstc2.sam(color)/Letter size

2-1

2-2

Specification

2-2 Printer

Technology Color Thermal Inkjet

Engine Type 2-Pen (K and CMY)

Operating System Win 3.1x, Windows 95/98/2000/NT 4.0

Interface IEEE 1284 (ECP Support), USB (without HUB Mode)

Emulation HBP(GDI)

Print Speed (2) Mono 10ppm Draft / 8ppm Normal

Color 5ppm Draft / 2ppm Normal

Print Resolution (H x V) Quick 300 x 600 dpi

Normal 600 x 600 dpi

High Quality 1200 x 1200 dpi (Addressable)

Maximum Paper Size A4, Letter, Legal

Effective Printing Width 8.0” (203 ± 1mm)

Feeding Method Automatic 100 Sheets (Maximum stacking hight : 9mm)

Manual Tray No

Output Tray Capacity Maximum 50 sheets

Maximum Cable Length 6 ft of standarol IEEE 1284 (3)

2-3 Scanner

Operation System Windows 95/98/2000/NT 4.0

Interface IEEE 1284 (ECP Support), USB (without HUB Mode)

Compatibility TWAIN

Device Platen Color CCD

Scan Width Max.: 8.5” (216 mm), Effective: 8.2” (210 mm)

Color Depth Internal 36 bit, External 24 bit

Optical Resolution (H x V) 600 x 600 dpi

Interpolation Resolution Max. 4800 dpi

Pre-scan Mode Yes, 75 dpi

Scan Speed about 2’45 sec/A4 Color

(Pentium II 300M, 64MB Memory, 300dpi)

Note:

(2) Speed claims based on the test files: spdtst.sam(mono), spdtstc2.sam(color)/Letter size

(3) Non-standard cable can cause misoperations.

2-3

Specification

2-4 Ink-head

Mono Cartridge Color Cartridge

Head Babbage 208 nozzles Birch 192 nozzles

Ink type Pigment Dye

Ink Color Black Color (CMY)

Ink Yield High yield : 1075 pages 200 pages

Standard yield : 600 pages

2-5 Power Supply

Rated AC Input Voltage 110 ~ 240 VAC (Universal)

Rated Input Frequency 50 ~ 60 Hz

Minimum/Maximum AC Input 90 VAC/265 VAC

Maximum Input Current 3A

DC Channels (4) +5V +5%, +12V +2%, +30V +5%

External Power On/Off Switch System reset switch (It does not cut the primary powerinput off)

2-6 Dimension

Machine Size (W x D x H) 17.4 x 18.1 x 8.5 Inch

Machine Weight About 8.1 Kg (Machine itself)

Note:

(4) No load condition.

2-4

Specification

2-7 Packaging

2-8 Environmental Condition

Absolute Storage Temperature(5) -20oC ~ 55oC

Absolute Storage Humidity(5) 15% RH ~ 85% RH

Recommended Temperature 16oC ~ 32oC

Operating Condition Humidity 40% RH ~ 70% RH

Power Cord 1EA (USA Standard, Ivory)

IEEE 1284 Cable No

USB Cable 1EA

CD-ROM 1EA

Ink Cartridge Mono 1EA, Color 1EA

Manual 1vol.

2-9 Machine Life

Product Life in Time 3 Years

Life Time in Pages 20,000 Printing Pages

Maximum Monthly Duty Cycle 1,200 Printing Pages except Ink-head

Note:

(5) Packing Condition

3. Disassembly and Reassembly

3-1 General Precautions on Disassembly

When you disassemble and reassemble components, you must use extreme caution. The close proximity of

cables to moving parts makes proper routing a must. If components are removed or replaced, any cables

disturbed by the procedure must be replaced as close as possible to their original positions. Before removing

any component from the machine, note the cable routing that will be affected.

Whenever servicing the machine, you must perform as follows:

1. Check to verify that documents are not stored in memory.

2. Unplug the power cord.

3. Use a flat and clean surface.

4. Replace only with authorized components.

5. Do not force to remove or planten plastic-material components.

6. Make sure all components are in their proper position.

1. Lift the ADF unit

2. Push the bushing on both ends of the roller

slightly inward, then rotate it until it reaches

the slot. Then lift the the roller out.

3-1

3-2 White Roller

3-2

Disassembly and Reassembly

1. Remove four screws securing the rear cover.

Separate the rear cover from the main cover.

3-3 Rear Cover

3-4 ADF Scanner Unit Assembly

3-3

Disassembly and Reassembly

1. Before you disassemble the scanner unit

assembly, you should remove

Rear cover (See page 3-2)

2. Unplug three connector and remove the one

screw securing the ground wire to the bracket.

4. Remove one screw and take out the PCB cover.

5. Unplug the harness from the main PBA.

You should connect or remove the FPC cable

vertically to avoid the FPC cable pin damage.

3. Remove two screws securing scanner unit

assembly.

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