310 Hammer Driver

The Hammer Driver PCA receives the serial dot data from the DGL, converts the data to parallel form and then energizes the hammer(s). This circuitry also varies the width of the fire pulse to ensure that the hammers are energized for the correct amount of time. There is also power on and off protection circuitry to prevent hammers from firing when the power is turned on or off, and circuitry to detect current flow in the drive transistors to ascertain if there is a fault condition. Finally,...

13 Options

The standard HP 26066B (no option number) is a 900 lines per minute, 132 column printer configured for 120 Vac, 50 60 Hz operation, product number 2566B. Other standard features include raster graphics capabilities, normal and compressed printing, and paper jam detection. Unless otherwise specified, the unit is provided with an HP-IB interface and a power cord for use in the United States. An ASCII symbol set (Standard Roman Extension, compressed and double-size characters), and a 16 channel...

54 Linear Motor Coil

The linear motor coil provides drive to the printbar. It can be adjusted without removing the printbar assembly. Sufficient clearance must be maintained to prevent the coil assembly from rubbing the magnet. The adjustment procedure requires the use of a special plastic adjustment shim (P N 02608-00217) or three business card cut in 1 2 inch strips. a. Switch the printer offline and set the ON OFF switch to the OFF (0) position. b. Raise the print mechanism swing gate to the fully open position...

Printer Hp Deskjet 02566

Before removing the Formatter PCA, write down the configuration values for 1, 2, 7, 20 trough 29, 40, 42, 43, 51, 52, 60, 61, 70 trough 75, 80, 81, and 85 through 89. (Configuration functions 80 through 89 apply to the HP Label Card, if installed). a. Switch the printer offline and the ON OFF switch to the OFF (0) position. b. Remove the ribbon cable connector (J70) located near the bottom of the Formatter PCA. c. Remove the cable leading to the edge of the Servo PCA by pulling on the body of...

614 Control Panel Pca 50611709

The Control Panel PCA is located directly beneath the Operator Control Panel. The right end panel must be removed prior to removal of the Control Panel PCA (see Paragraph 6-3 for procedure). The PCA is a. Switch the printer offline and the ON OFF switch to the OFF (0) position. b. At the right end of the printer, loosen the four screws from the underside of the control panel housing (see Figure 6-14). c. Tilt the panel assembly up and unplug the ribbon cable connector. d. From the under side of...

31 Introduction

This section of the manual is intended to provide a generalized functional understanding of the HP 2566 67 printer and the processes which occur during the printing operation. A generalized block diagram of the printer is shown in Figure 3-1. Each component (general block) of Figure 3-1 is further diagrammed and explained in this section of the manual. The following topics are discussed 3-3. PRINT MECHANISM AND PAPER PATH 3-10 3-19 3 - 22 3-5. FORMATTER PCA (PROCESSOR CONTROL 3-23 3 - 23 3-26...

74 Kits And Other Miscellaneous Parts

The various kits available for the printer are listed below. Also part numbers for manuals, service supplies and other hard to find parts are provided here. CLOSED LOOP PF SYS UPGRADE (2566B 67B) Before installing lower tractor closing bar, you must first measure the lower ribbon door, from the top of the door, around the bends, to the bottom edge of the door. If the measurement is 12 inches, install the closing door. If the door measures 12 and 7 8 inches, you must first order a new door...

Warning

Wear safety glasses to protect your eyes when removing the Idler Arm Springs. Figure 5-7. Paper Tension Adjustment a. Set the Paper Tension Lever in the C position (the third position down from the top - see Figure 5-7). b. Place a Mylar Triangle tool (P N 02566-00261) in the upper-left tractor. c. Without moving the Paper Tension Lever, check to see if the mylar triangle will fit into the lower-left tractor pins without excess slack or too much tension in the triangle tool. If they do not have...

52 Required Tools

The tools required to perform the adjustments described in this section are listed below. - Metric hexagonal drivers (alien wrenches) 11 2, 2, 2Vz, 3, 4 and 5 mm - SAE 3 32 inch hexagonal driver (alien wrench) - Triangular Tractor Alignment Kit (P N 02566-67934) - Flat-Blade screwdriver -SAE 3 16 inch blade Long shank 4 mm and 5mm ball drivers -not a necessity, but will save a time. - Velocity Transducer Centering Tool (P N 02566-20152) - Small, portable light (i.e., penlight) -if centering...

59 Vertical Tractor Alignment

The vertical tractor alignment must be performed whenever a tractor or tractor cables are replaced, or, when the printer is experiencing paper jams. The tractors must be aligned so that the upper and lower tractors are in vertical alignment and on a plane that is perpendicular to the platen. The current tractor adjustment procedure is the Triangle Tool Method. This method uses two mylar triangle tools, P N 02566-00261. To align the tractors vertically, perform the following steps a. Raise the...

631 Miscellaneous Sensors

Besides the velocity transducer, there are eight other sensors in the printer, which are all related to the paper and ribbon drive systems. Two of these, the AT END OF TAKEUP and the AT END OF SUPPLY ribbon sensors are split-bar sensors that are activated by a foil strip at each end of the towel ribbon. These sensors are not likely to need replacement and are not included in these procedures. It is possible, however, for the bars to twist into the wrong position. As a quick check, verify that...

64 Rear Access Panel

Access to several connectors, a solid state relay, the tractor adjustment motor, the left end panel mounting screws and other parts and assemblies is gained through the rear of the printer. Remove as follows a. Turn the two 3 mm 1 4 turn Allen or flat-blade screws holding the Sound Shroud to the rear panel. Lift the shroud off. b. Turn the two 3 mm 1 4 turn Allen screws on the upper portion of the rear panel. c. Lift the panel upward and away from the printer. a. Make sure the levelers on the...

69 Motor Driver Pca 0256660006

The Motor Driver PCA is mounted on the lower left electronics bay against the left bay wall (see Figure 6-5). Remove and replace as follows a. Switch the printer offline and the ON OFF switch to the OFF (0) position. b. Remove the printer's right end panel as described in Paragraph 6-3. c. Pull out the two black quick fasteners securing the board to the frame. d. Remove the wire connectors from J1, J2 and J3 (see Figure 6-9). To reassemble, reverse the above procedure. Be certain that the...

620 Paper Stepper Motor

The stepper motor provides drive to the paper tractors. It is located on the top right of the printer toward the rear (see Figure 6-21). Removal procedure is as follows a. Switch the printer offline and the ON OFF switch to the OFF (0) position. b. Remove the printer's rear access panel (see Paragraph 6-4). c. Unplug the six pin motor lead wire connector at the rear of the printer (connector B on Figure 6-22). d. Unplug paper stepper encoder ribbon cable from the Backplane PCA. ALIGN COLLAR...

38 Power Supply And Backplane

The Backplane PCA provides interconnections between the Formatter, Servo, Interface, Graphics and the Power Supply PCAs. It consists of four 60 pin connectors, each connected in a common bus set-up. Although there is room for six cardcage slots, two connectors and slot tracks are not installed. There is also a 100 pin edge connector that provides a interconnection to the Power Supply PCA. There is no restriction electrically regarding the location of the other PCAs in the Backplane PCA,...

Ribbon drive

The ribbon system positions the 14.5 inch towel ribbon between the printbar and paper shield while moving the ribbon back and forth to provide even ink utilization. The system also prevents the ribbon from skewing to one side or the other while it is moving. The system consists of three motors supply reel, take-up reel and deskew and their associated ribbon drive and deskew mechanics. The system also contains sensors that determine when the ribbon is at the end of its roll, and which direction...

39 Motor Driver Pca Function

Block Diagram Deskjet Printer

The Motor Driver PCA is responsible for providing the necessary drive for the printer's motor systems. These consist of the ribbon drive and deskew system, the paper stepper system, the linear motor drive system and the tractor drive system. There is also fault detection circuitry that indicates to the Formatter PCA if there is a ribbon fault, ribbon stall, stepper motor fault, linear motor fault or linear motor overcurrent condition. The motors are also fused so that if the motor has a short,...

11 Introduction

This manual provides installation and servicing information for the HP 2566B C and HP 2567B C printers. The following information is included in this manual Section IV. Configuration amp Diagnostics Appendices Wiring Diagram and Signal Tables, Troubleshooting Guide, Print Quality Problems, ANZAC Support Supplement and Media Specifications. The HP 2566 67 printers are almost identical except for their rated printing speed 900 lines per minute for the HP 2566B, 1200 lines per minute for the HP...

Table Of Contents

1-3 1-4 1 - ' ' 9 UNPACKING INSTRUCTIONS FOR THE POWERED PAPER STACKER 2-10 3-3. PRINT MECHANISM AND PAPER PATH 3-10 3-19 3-22 3-5. FORMATTER PCA PROCESSOR CONTROL CIRCUITRY 3 - 23 3 - 23 3 - 26 3-6. FORMATTER PCA DOT GENERATION 3 - 26 3 - 26 CHARACTER IDENTIFICATION BYTE DEFINITIONS 3 - 30 3 35 3-8. POWER SUPPLY AND BACKPLANE 3-41 3 45 3 56 Chapter 4. Configuration amp Diagnostics 4-2. PRINTER CONFIGURATION AND STATUS 4 - 4 4-4. ERROR 5-3 5-3. PRINTBAR CLEANING PROCEDURE 5-4 5-7. TRACTOR...