Craden DP8 Istruzioni per l'installazione

DP8 & DP9

SUPPORT DESK GUIDE

CRADEN

P E R I P H E R A L S 7860 AIRPORT HIGHWAY TEL 856 488-0700

C O R P O R A T I O N PENNSAUKEN, NJ 08109 FAX 856 488-0925

WWW.CRADEN.COM

E-MAIL: [email protected]

DP8 & DP9 SUPPORT DESK GUIDE

This document has been compiled from Craden’s database of technical support calls and printer

repairs. It is intended to assist the Support Desk and light technical support in getting a printer

back on line quickly. Most of this information describes issues that can be remedied on site to

reduce downtime, taxing of technical resources, and cost of factory service. Other items identify

the problem source and get to the ‘repair here or return for service’ decision swiftly. Please

contact Craden by any method on the cover to request clarification or suggest improvements.

Up to the minute service bulletins can viewed online: http://www.craden.com/bulletin.htm

Table of Contents

Printer Diagram 2

Communications

Communication with System 3

Configuration 4

Printing

Ribbon Replacement 5

Remove or Replace Ribbon Shield 6

Test Printing 8

Print Quality Issues 9

Document Feed, Eject, or Jamming 10

Clear a Document Jam 11

Printer Specifics

Sensors 12

Keypad or Display 14

Error Conditions & Messages 15

Printer Tests and Demos 16

Diagnostic Flowchart 18

1999-2011 - Craden Peripherals Corporation

written consent from Craden Peripherals Corporation.

PRINTER DIAGRAM

Cabinet

Keypad/Display

Configuration

Label

Ribbon

Cartridge

Input Tray

Document Edge

Guide

Printhead

Carriage

Input Guide

Roller

Carriage

Lifter Ring

Multisensor PCB

Display

Contrast Adjust

Cabinet

Latch

COMMUNICATIONS

Cable Attachment

Communications Configuration

DP8 & DP9 Communication Parameters

Press 9 3 FUNCT on the Keypad

Default settings

Windows XP Printer Settings

Start>Control Panel>Printers & Faxes>Craden

Printer>Properties>Ports Tab>Configure Port

Button

Protocol = DTR

Flow Control: Hardware

Baud Rate = 9600

Bits per second: 9600

Word Length = 8

Data Bits: 8

Parity = None

Parity: None

Stop Bits = 1

Stop Bits: 1

Input Buffer = Multiple Lines

Emulation Mode C

Auto Carriage Return on Line Feed = Y

Dual Port = Y

Power Cord

Primary Serial Port

USB Port

Secondary Serial Port

Power Switch

CONFIGURATION

All Craden printers in a system usually have the printer, communication and override parameters

set alike. When in doubt, compare printer and communication parameters with a known working

printer. The service parameters are unique to each individual printer and the factory set values

can be found on the configuration label under the cabinet behind the display (pg. 2). Check with

the system administrator before changing service parameters. For more information refer to an

operator’s or technical manual.

To display parameters, press 9 X FUNCT on the printer keypad, then press ENTER to step

through the parameters. Use the A and B keys to change a parameter, but first you may have to

unlock the keypad with the 9 9 FUNCT.

PRINTER

PARAMETERS

9 2 FUNCT

LINES/INCH

5 OR 6

CHARS/INCH

10,12,17

Draft, Normal or

QUIET MODE

Yes or No

DOCUMENT INSERT

Top edge or bottom

edge

DOCUMENT INSERT

With 0, 1 or 2 sec

pause or with A key

BEGIN PRINTING

Immediately or after

“ENTER” key

LINE #1

.XXX .250

COMMUNICATION

PARAMETERS

9 3 FUNCT

INTERFACE

PROTOCOL

DTR, XON/XOFF,

PARALLEL

BAUD RATE

= 1200 to 38400 9600

WORD LENGTH

= 7 or 8

PARITY

= Even, odd or none

STOP BITS

= 1or 2

INPUT BUFFER

Single line or

Multiple Lines

EMULATION MODE

C, I, EF4600/EFP95,

EF4565

AUTO CARRIAGE RETURN ON FEED

Yes or No

OVERRIDE

PARAMETERS

9 9 FUNCT

LOCKED or

UNLOCKED

COVER OVERRIDE

Off or On

SKEW DETECTION =

Correct skew , detect

skew, or ignore

SKEW DETECTION

ALLOWED = .030, .050,

.080, .110 or .130

IF FORM SKEWED =

Enter/eject or automatic

eject

INTERFACE DUAL PORT (DP9)

Yes or No

EDGE SENSOR

FORWARD COMPENSATION

REVERSE COMPENSATION

GATE OFFSET

SERVICE

PARAMETERS

9 4 FUNCT

TOP OFFSET

LEFT OFFSET

LEFT MARGIN

CAR ALIGN

EJECT HOLD OFFSET

CONFIGURATION

CQ DARKNESS

NORMAL DARKNESS

DP8 & DP9 RIBBON REPLACEMENT

(see the video at www.craden.com/ribbonchg.wmv )

Push in on cabinet latches

Rotate cabinet up and back.

Rotate lift ring forward to lift

and lock carriage.

Push ribbon guide plate tabs

down.

Rotate cartridge into place and snap in.

Rotate cartridge drive gear clockwise to

align and take up ribbon slack. Push

shield up. Lower carriage into operating

position. Close cabinet.

RUBBER

WHEEL

RIBBON

SHIELD

TABS

RIBBON

PATH

Slip the new ribbon over and

behind guide plate tabs.

Rotate cartridge down and out of

the printer

This close up shows how the ribbon is routed in step 5

above: over the tabs on the ribbon guide plate. If the

ribbon is routed below the tabs, printing problems will

occur.

Note: Generic Ribbons May Cause Problems

Our experience has found many "generic" ribbons cause

printer malfunctions. Generic ribbons may stick to the

ribbon guide mechanism and drag on the ribbon shield,

causing ribbon advance issues, poor print quality,

smearing, carriage stalls, and printhead failure.

Ribbons must have a specific fabric and ink combination to

run properly. The ink is matched to the thin printwires and

is applied to the ribbon in a specific amount that will not

foul the printwires with ink. Generic inks may contain solid

particles that cause excessive printwire wear. Generic

fabrics may shred and cause a buildup of lint on the

printhead. Printhead deterioration or failure caused by

improperly fabricated generic ribbons is not covered by

warranty

RIBBON SHIELD REMOVAL –REINSTALLATION

Watch the video at www.craden.com/ribbonshield.wmv

Open the cabinet, center the carriage and pull the

lifter ring out and down to raise the carriage. Remove

the ribbon cartridge.

Lifter

Ring

Carriage

Shaft

Lift the carriage shaft with one hand and

pull the shield down and out to the right

with the other.

Shield

Tips

Pull the ribbon guide plate tabs toward you.

Insert the new shield tips into the gap

between the ribbon guide plate and the

carriage

Ribbon

Guide Plate

Carriage

Tabs

Rotate the shield until it is centered on

the carriage. Do not let the shield tips

slip behind the carriage.

Push the shield up until it stops.

Install the ribbon cartridge and

lower the carriage.

Move the carriage lifter ring up and in to lower

the carriage. Close the cabinet turn the printer

on and do a test print or transaction.

Ribbon Shield Face Inspection

A high percentage of printers sent to Craden for repair have a ribbon shield that has

reached end of life and is the primary cause of the printer’s problem. Document jams,

damaged documents, streaking, poor print quality, and document skewing can often be

alleviated by replacing ribbon shields after four to five ribbon replacements. Below is a

guide to assist in ribbon shield inspection.

New ribbon shield. Face is smooth, no

defects

Ribbon shield at end of life. Face is

scored. There is no visible damage to

the six-sided opening but a breech is

imminent. This shield may begin to

snag documents.

Damaged ribbon shield. There is a

breech in the six-sided opening. This

ribbon shield will streak and tear

documents.

Damaged ribbon shield. One side of the

six-sided opening is missing. This

ribbon shield will streak and tear every

document and may scratch the platen.

The angle between the face and base

(back) of the ribbon shield must be

perpendicular. Ribbon shields are made

of thin stainless steel and if bent can

cause poor print quality or snag the

ribbon fabric.

PRINTER SELF TEST

To test the printer’s ability to print and feed a document, insert a piece of paper into the printer

and press 9 0 0 FUNCT on the printer keypad. The printer should print information about the

printer’s set-up and a test of the printhead’s 24 print wires (pg. 16) as in the image below. If the

printer is not operating correctly, this information may assist you in solving a configuration

problem.

PRINT QUALITY

Print quality is affected by many factors. The most common issues appear in the table below.

Symptom

Condition

Remedy

Print not dark enough on

receipts or multipart forms.

Ribbon needs replacement

Ribbon installed incorrectly

Increase print darkness setting

Replace ribbon cartridge.

See page 5 for ribbon installation

See “DARKNESS” service

parameters on page 4

Streaking or smearing

over printed lines.

Ribbon installed incorrectly

Ribbon shield is missing/damaged

Ribbon is near end of life.

Ribbon has too much ink.

Generic ribbon installed

See page 5 for ribbon installation

Replace ribbon shield. (pg. 6)

Replace ribbon cartridge.

Replace with Craden ribbon

Large gaps in printing or

sporadic light print occurs.

Ribbon fabric is folded or twisted.

Ribbon installed incorrectly

Generic ribbon installed

Replace ribbon cartridge.

See page 5 for ribbon installation

Replace with Craden ribbon

A row of dots is missing

Printhead or printing circuit is

defective (unusual).

If unusable, initiate a service call

Print is darker on one side

than on the other

Racked carriage shaft or

misadjusted shaft cam

If unusable, initiate a service call

Ribbon getting tangled in

printer

Ribbon installed incorrectly

Ribbon shield is damaged

Generic ribbon installed

See page 5 for ribbon installation

Replace ribbon shield (pg. 6)

Replace with Craden ribbon

Documents being torn

Ribbon shield is damaged

Replace ribbon shield (pg. 6)

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