Craden DP9 Manuel d'instructions Page 1

CRADEN P E R I P H E R A L S C O R P O R A T I O N DP8 & DP9 DOCUMENT PRINTERS TECHNICAL MANUAL

3.4 Document Insertion Insertion procedures may be customized to satisfy varied applications and user preferences. (See the Printer Parameters in

3.5.1 Printer Parameters Press 9 2 FUNCT to display the following parameters or press 9 0 0 FUNCT to print them on a previously inserted documen

3.5.2 Communication Parameters Press 9 3 FUNCT to display the following Communication Parameters or press 9 0 0 FUNCT to print them on a previously i

3.5.4 Service Parameters Press 9 4 FUNCT to display the following Service Parameters. These parameters are factory set specifically for each printer

3.6.2 Enhanced Diagnostics Diagnostics execute after pressing 9 0 FUNCT. If no faults exist, PROM REVISION XX, ROM TEST OK and RAM TEST OK w

3.10 Programming CAUTION: DURING PROGRAM DEVELOPMENT ALL PRINTING SHOULD BE DONE ON SINGLE SHEET PAPER UNTIL PRINT IS CORRECTLY FORMATTED. PRINTING

ESC H 1B 48 End correspondence quality print ESC I n 1B 49 n Begin CQ (n=2) or normal (n=0) print ESC J n 1B 4A n Feed document up n/216 inches ES

Commands unique to I mode: ESC 0 sets line spacing to 1/8 inch. ESC 1 sets line spacing to 7/72 inch. ESC 2 sets line spacing stored by a prior ES

ESC X mn sets left and right margins at columns m and n. Printing begins at column m and must stop at column n. The document may be no wider than (n+5

ESC~C clears all data out of the buffer and switches the interface to Mode C. 3.10.4 Low Density Graphics Commands These commands emulate low-dens

WARNING This equipment generates, uses and can radiate radio frequency energy and, if not installed in accordance with the instruction manual, may ca

3.10.7 Configuration Commands HT changes the machine configuration and must be followed by 2 characters of the form 01PVHFCS and 01LEIBDQ where: P =

DC1 or DLE request keypad data. Upon receipt of either, all keypad input that has been pressed since the previous DC1 or DLE will be t

3.11.2 Installing Craden Drivers on WINDOWS NT, 2000, XP, VISTA, OR 7 (32-bit): A firmware upgrade may be required to run the Vista/7 driver. Co

12cpi, and lowest quality, fastest printing draft 10 and 12cpi. Draft should not be used on passbooks. These fonts can be selected like any other fo

3.12.3 Interface Signals & Cables The interface provides for RS-232 communication. All signals are available on a 9 pin male connector equivalent

3.13.3 No Document Motion If a document will not advance upon insertion: 1. Press EJECT if a previous document had been manually removed

4.0 THEORY OF OPERATION 4.1 OVERVIEW The DP8 and DP9 Printers handle a large variety of documents. The two printers are identical except that th

4.1.4 Main Printed Circuit Board The Main PCB is located in the rear of the printer and contains power supply, control and driver el

Motor rotation occurs by sequentially changing the phase and current signals to the two motor coils. Motor speed is controlled by how rapidly the sig

Current Control Phase Control One Shot Comp. 3718 +38V A R4 Typ Phase I0 current I1 current VREF 0v 5v 0.4v 30v 30v  2.7 mSec 0 0 U20 - 15 R4 J2

DP8 & DP9 Technical Manual Table of Contents 1.0 DP8 & DP9 DOCUMENT PRINTERS - FUNCTIONAL SPECIFICATIONS 1 2.0 INSTALLATION 2.1 INST

4.2.4 Printhead Drivers During printing, 24 bits of print dot data are serially shifted into U3 to U5. A FIRE pulse at U5 pin 12 then transfers the

Fig. 4.2 Printhead Drive Circuit D S D S D S C O I L U13 Timer U5 RCLK SRCLR Q Q26 TYP. D23 TYP. Q8 Q7 D6 Q5 Q4 U12 6 3 15 12 10 +38VDC D34 D35

5.0 MAINTENANCE 5.1 LUBRICATION AND CLEANING 5.1.1 Lubrication There are no lubrication points in the printer. All parts are either permanent

5.1.4 Printhead Cleaning Perform if printwires stick when printing begins or print quality becomes intermittent. Be sure to check the ribbon first!

5.2 SERVICE PARAMETER SET-UP PROCEDURE It may be necessary to change service parameters that compensate for certain mechanical tolerances. The

5.4 MECHANICAL ADJUSTMENTS 5.4.1 Printhead Gap Too large a gap causes light print and missing dots. Too small a gap causes ribbon smear. 1. Open t

5.4.1.1 Ribbon Shield Removal / Replacement The ribbon shield prevents ribbon fabric from rubbing on and smearing printed media. It is a consumable. R

5.4.1.1.1 Ribbon Shield Face Inspection A high percentage of printers sent to Craden for repair have a ribbon shield that has reached end of life a

5.4.2 Carriage Drive Belt Tension The carriage belt connects the carriage drive motor to the carriage. Incorrect carriage belt tension

1. Use a spring gauge to measure the force required to raise the right end of the rear upper roller very slightly. It should measure 6 to 8 ounces (1

3.13.6 Ribbon Smear 20 3.13.7 Erratic Document Feed, Mispositioning or Overprinting 20 3.13.8 Rollers Run at Power-Up or After Docume

5.4.8 Front Document Roller Spring Force Gate travel must be properly adjusted (see 5.4.7) before roller spring force is adjusted 1. Raise the gate

5.5.3 Sensor PCB 1. Turn off power and disconnect the flex cable from the sensor PCB. 3. Remove the two nuts fastening the PCB to the input guide.

5.5.8 Document Motor 1. Remove the cabinet (see 5.5.1). 2. Disconnect the motor from J2 on the Main PCB. 3. Loosen the 1/16” Allen screw that fastens

5.6 TROUBLESHOOTING 5.6.1 Basic Troubleshooting This procedure exercises everything in the printer except the interface to the host system. If an

5.6.4 Defective Sensor All sensors transmit infrared light and sense light reflected by a document, gap roller or cabinet. The sensors are automatic

5.6.7 No Print or Light Print If there is no printhead noise when the carriage traverses a document: 1. Check that the printhead is plugged into t

5.6.9 Missing Dots If a single row of dots is missing: 1. Refer to the printwire pinouts on the main PCB schematic. Pin 4 prints the uppermost dots

5.6.13 Diagnostic Flowchart Use this flow chart to assist in troubleshooting. Is the display on the printer blank? No Yes Do the keys on the ke

5.7 RECOMMENDED SPARE PARTS Machine Population: 1 10 25 50 100 250 Class A Spares Qty: 1 1 2 3 5 10 Class B Spares

Printer Diagram Cabinet Keypad/Display Configuration Label Ribbon Cartridge Input Tray Document Edge Guide Printhead Carriage Input Guide Roller Ca

5.6 TROUBLESHOOTING 5.6.1 Basic Troubleshooting Procedure 38 5.6.2 No Display 38 5.6.3 Defective Keypad 38 5.6.4

DP8 & DP9 ASSEMBLY TREE DWG. 75017 REV. C All assemblies not ending in “X” are used both on DP8 and DP9 For all assemblies ending in “X”

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DP8 & DP9 DOCUMENT PRINTERS - FUNCTIONAL SPECIFICATIONS 1.1 Print Characteristics Print Method 24-wire dot matrix impact, automatic thickness com

2.0 INSTALLATION 2.1 Installation Procedure 1. Read 3.1 to 3.5.2 on Operation and Configuration. 2. Press the cabinet latches on the lower fr

2.2 Reshipment If possible, retain the original packing material for reshipment. If the original packing material is not used, insure that printer an

3.2 Keypad Operation EJECT: ejects an inserted document if the print buffer is empty. Should a document remain partially in the printer, press