HP Designjet L25500 Printer series Service Manual&Parts List
This service repair manual has Detailed Pictures, Diagrams, It gives complete step by step information on repair, servicing and preventative maintenance.
This manual is highly detailed to help guide you through every repair and troubleshooting procedure. The manual contains all you need to know to keep your photocopier working right.
It save cash fixing the photocopier yourself instead of paying someone else to do so. Become you a photocopier expert.
This Service Manual contains information necessary to test, calibrate and service:
HP Designjet L25500 42-inch Printer (Model CH955A)
HP Designjet L25500 60-inch Printer (Model CH956A)
For information about using these printers, refer to the corresponding User Guide or Maintenance and Troubleshooting Guide.
1 Printer Systems
Use this chapter as a reference for technical information about the subsystems, components and how they work together
Of particular importance are the diagrams included for each subsystem of the printer. They can be useful for both troubleshooting and disassembly.
Whenever a printer is not functioning correctly due to a fault, use the Troubleshooting chapter for step-bystep diagnosis until you arrive at the solution, which may include replacing a part. Troubleshooting always begins with one of those two problems, so when you enter the chapter, navigate to the proper section and find the troubleshooting steps for the problem you have found. This chapter does not cover the procedures for the diagnostic tests you must perform while troubleshooting, or the replacement procedures you must complete to fix the problem.
3 System Error Codes
This chapter contains the system error codes which are displayed on the Front Panel and EWS. Each system error code shown in the chapter has a brief description and the steps required to solve the error.
Most of the troubleshooting steps involve performing a test or a calibration, which can be found in the following chapter, before replacing any part that you suspect of causing the system error code, always perform, the test or calibration.
4 Tests, Utilities, and Calibrations
Use this chapter whenever you need to perform a diagnostic test, service utility, or service calibration. This chapter is meant to provide procedures and relevant information, not troubleshooting information. For troubleshooting information, navigate to the Troubleshooting chapter. These procedures are described in full, so that you know any relevant values for the test, as well as information about what the printer is actually doing during the test. The goal of diagnostic tests is to locate the root cause of the problem and the corresponding system error code or message that will provide you with logical steps to resolution. Some diagnostic tests or calibrations must be performed after removing a component.
5 Print Quality (IQ Troubleshooting)
This chapter describes the image quality diagnostic procedures. Further troubleshooting information based on the symptom of the issue can be found in the customer document Maintenance and Troubleshooting Guide.
6 Ink Supplies Troubleshooting
In this chapter we describe the components of the ink supply system.
7 Service Parts
The purpose of this chapter is to detail all of the available service parts of the printer. This information is presented in tables, organized by subsystem, and includes the following:
Official service part names
Graphics of the service parts
Use this chapter whenever you need to order a service part.
8 Removal and Installation
The purpose of the Removal and Installation chapter is to provide procedures for removing and installing service parts. Each service part has a removal procedure detailed in this chapter, and installation procedures and notes are included as needed.
Useful information like access notes and screw types (head sizes) are provided to help you work efficiently.
Whenever you remove or replace a component, check the Service Calibration Matrix at the beginning of the chapter, which tells you the tests, utilities, and calibrations that must be performed after removing or replacing a component, and in what order.
9 Preventive Maintenance
Maintenance alerts are displayed on the Front Panel and Embedded Web Server whenever maintenance is required. While most of these alerts can be resolved by the customer, some require a service engineer. Use the preventive maintenance chapter whenever you need to perform a preventive maintenance procedure due to an alert the customer receives from the Front Panel or Embedded Web Server, or to get reference information on life counters and maintenance that must be performed by the customer.
10 Repacking Instructions
The printer is large and depending on the scenario, will require special actions in order to move it. This chapter covers the four primary moving scenarios:
Within the same site, over flat ground
Within the same site, over ramps or stairs (the printer must be lifted)
To a different site, with no possibility of freezing
To a different site, with possibility of freezing (the ink must be removed, as it is water based and can freeze).
This is an industrial printer with high voltages, and it can be hazardous to service the printer. The safety chapter covers all the guidelines and checks you need to perform in order to service the printer.
Manual Language: English
File Format: PDF
File Delivery: PDF (Instant Download)
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