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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
P/N 99090
REVISION 8
2/2008
7860 AIRPORT HIGHWAY, PENNSAUKEN, NJ 08109
(856) 488-0700 (856) 488-0925 FAX
DP8 & DP9 Technical Manual Table of Contents
1.0
2.0
DP8 & DP9 DOCUMENT PRINTERS - FUNCTIONAL SPECIFICATIONS
INSTALLATION
1
2.1
2.2
INSTALLATION PROCEDURE
RESHIPMENT
2
3
3.0
OPERATION
3.1
3.2
3.3
3.4
3.5
RIBBON CARTRIDGE LOADING
3
4
4
5
5
6
7
7
8
KEYPAD OPERATION
DISPLAY OPERATION
DOCUMENT INSERTION
CONFIGURATION
3.5.1
3.5.2
3.5.3
3.5.4
Printer Parameters
Communication Parameters
Override Parameters
Service Parameters
3.6
DIAGNOSTICS
3.6.1
3.6.2
SELF TEST
LOCAL PRINTING
ERROR CONDITIONS
Power Up Diagnostics
Enhanced Diagnostics
8
9
9
9
3.7
3.8
3.9
3.9.1
3.9.2
3.9.3
3.9.4
3.9.5
3.9.6
Document Jam
Cover Open
Page Overflow
Carriage Fault
Clear Eject Jam
Narrow Document
9
9
9
9
9
9
3.10 PROGRAMMING
3.10.1 Command Summary
10
10
11
12
14
14
14
15
15
16
16
17
17
17
18
18
18
18
19
19
19
19
20
20
20
3.10.2 Document Movement Commands
3.10.3 Print Commands
3.10.4 Low Density Graphics Commands
3.10.5 High Density Graphics Commands
3.10.6 Display Commands
3.10.7 Configuration Commands
3.10.8 Status and Keypad Commands
3.11 Drivers
3.11.1 Installing Craden Drivers on WINDOWS 95 OR 98
3.11.2 Installing Craden Drivers on WINDOWS NT, 2000 OR XP
3.11.3 Installing Craden USB Drivers on WINDOWS NT, 2000 OR XP
3.11.4 Using Printer Resident Device Fonts
3.11.5 Writing to the Printer LCD Display
3.12 INTERFACING
3.12.1 Input Buffer Operation
3.12.2 Interface Protocols
3.12.3 Interface Signals & Cables
3.13 PROBLEM SOLVING
3.13.1 No Display or Blocks Displayed
3.13.2 Unchangeable Configuration Parameters
3.13.3 No Document Motion
3.13.4 Carriage Fault or No Carriage Motion
3.13.5 No Printing or Light Printing
3.13.6 Ribbon Smear
20
20
20
20
20
3.13.7 Erratic Document Feed, Mispositioning or Overprinting
3.13.8 Rollers Run at Power-Up or After Document Ejected
3.13.9 Erratic Character Spacing or Carriage Hitting End Stops
3.13.10 Interface Inoperative
4.0
THEORY OF OPERATION
4.1
OVERVIEW
21
21
21
21
22
22
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
Carriage Drive Assembly
Document Drive Assembly
Switching Power Supply
Main Printed Circuit Board
Keypad/Display Assembly
4.2
ELECTRONICS IN DETAIL
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.2.6
4.2.7
Low Voltage Supplies
Microprocessor System
Stepper Motor Drivers
Printhead Drivers
Keypad and Display
Sensors
22
22
22
25
25
25
25
Character Printing
5.0
MAINTENANCE
5.1
LUBRICATION AND CLEANING
5.1.1
5.1.2
5.1.3
5.1.4
5.1.5
5.1.6
Lubrication
Document Feed Roller Cleaning
Sensor Cleaning
Printhead Cleaning
Document Print Area Cleaning
27
27
27
28
28
28
29
29
Cabinet Exterior Cleaning
5.2
5.3
5.4
SERVICE PARAMETER SET-UP PROCEDURE
ELECTRICAL ADJUSTMENTS
MECHANICAL ADJUSTMENTS
5.4.1
Printhead Gap
30
31
32
33
33
33
33
34
34
35
35
5.4.1.1 Ribbon Shield Removal/Replacement
5.4.1.1.1 Ribbon Shield Face Inspection
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.4.7
5.4.8
5.4.9
Carriage Drive Belt Tension
Document Drive Belt Tension
Carriage Shaft Cam and Shaft Rack
Rear Document Roller Spring Force
Auto Alignment Gate Ramp
Auto Alignment Gate Height
Front Document Roller Spring Force
Auto Alignment Skew Sensor Calibration
5.5
REPLACEMENT PROCEDURES
5.5.1
5.5.2
5.5.3
5.5.4
5.5.5
5.5.6
5.5.7
5.5.8
5.5.9
Cabinet
Main PCB
Sensor PCB
Keypad
Display
Power Supply PCB
Carriage Motor
Document Motor
Printhead
35
35
36
36
36
36
36
37
37
37
37
5.5.10 Carriage Drive Belt
5.5.11 Document Drive Belt
5.6
TROUBLESHOOTING
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
Basic Troubleshooting Procedure
No Display
38
38
38
39
39
40
40
40
41
41
41
41
42
Defective Keypad
Defective Sensor
No Document Motion
No Carriage Motion
No Print or Light Print
Print Quality
Missing Dots
5.6.10 Erratic Document Feed or Mispositioning
5.6.11 Erratic Character Spacing or False Document Jams
5.6.12 Interface Inoperative
5.6.13 Diagnostic Flowchart
5.7
5.8
RECOMMENDED SPARE PARTS
RECOMMENDED SERVICE TOOLS
43
43
6.0
MAJOR ASSEMBLY ILLUSTRATIONS & PARTS LISTS
Printer Diagram
44
45
46
47
49
50
51
52
53
54
55
Major Assembly Tree
73802 Carriage
73804 Box
73806 Carriage Drive
73809 Lower Drive
73810 Document Drive
73815 Keypad/Display
73816 Electromechanical
73819 Printer
72135 Main PCB (including 72133 keypad and schematics)
DP8 & DP9 DOCUMENT PRINTERS - FUNCTIONAL SPECIFICATIONS
1.1 Print Characteristics
Print Method
Print Spacing
Fonts
24-wire dot matrix impact, automatic thickness compensation
5, 6, 8.5, 10, 12, 17, 20 and 24 chars/inch
96 char. ASCII, international character set
Windows True Type & graphics
Print Speed
(chars/second)
Characters/inch
Correspondence
Normal
150
180
Draft
225
270
10
12
75
90
Dot Graphics
(dots/inch)
60,120,180, 360 horizontal; 72, 180 vertical
Feed Speed
50 mSec. single line feed at 5 or 6 lines/inch
12 inches/second (305 mm/sec) slew speed
Feed Accuracy
Ribbon
+/- 0.6%
Cartridge life DP8: 3 million characters, DP9: 5 million characters
1.2 Document Characteristics
Media
Single sheets, multipart forms (up to 6 parts), passbooks & envelopes
Print Line Width
Form Width
DP8: 5.6” (142mm), DP9: 8.2” (208mm)
2.5” (64 mm) to 6.5” (165mm) in DP8 or 9.7” (246mm) in DP9
DP8: wider forms printable in landscape mode
Form Height
2.5” (64 mm) minimum, no maximum
0.0035” (0.09 mm) to 0.062” (1.57 mm)
Form Thickness
Non-printable areas Top of form
Above horiz. fold
0.16” (4.1mm)
0.38” (9.7mm)
0.30” (7.6mm)
0.45” (11.4mm)
0.25” (6.4mm)
Below horiz. fold
Bottom of form
Vertical fold/edge
1.3 Interface
Standard Serial
RS-232, 1200-38400 baud, 11KB buffer, dual ports on DP9
IBM Proprinter/4722, Unisys and Craden
DTR, Xon/Xof
Command Sets
Protocols
Optional
USB port, Parallel port
Power Input
100-240 VAC, 43-63 Hz, 80 W max.
1.4 Physical Characteristics
Dimensions
DP8: 10.6” (269mm) wide, 7.2” (183 mm) deep, 7” (178 mm) high
DP9: 13.8” (351mm) wide, 9.8” (249mm) deep, 7.2” (184mm) high
Weight
DP8: 11 pounds (5 kg) + 1.3 pounds (0.6kg) packing
DP9: 14.4 pounds (6.5 kg) + 3.4 pounds (1.5 kg) packing
1.5 Environment & Standards
Operating
Storage
Standards
10 to 40 C, 10 to 90% humidity
-30 to 70C, 5 to 95% humidity
UL 1950 & Canadian UL Listed
FCC 20780 Class A certified
IEC 950 & CE certified
ENERGY STAR qualified printer
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