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HP DESIGNJET T7100 Monochrome Series User Manual

HP DESIGNJET T7100 Monochrome Series
482 pages
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DESIGNJET T7100 and T7100
Monochrome Printer Series
Service Manual
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HP DESIGNJET T7100 Monochrome Series Specifications

General IconGeneral
Print TechnologyThermal Inkjet
ConnectivityGigabit Ethernet (1000Base-T); EIO Jetdirect accessory slot
Ink TypesPigment-based
Line Accuracy+/- 0.1%
Print LanguagesHP-GL/2, HP-RTL, CALS G4
Hard Disk160 GB
Minimum Line Width0.02 mm
Guaranteed Minimum Line Width0.07 mm (ISO/IEC 13660:2001(E))
Media TypesBond and coated paper, technical paper, film
Operating Systems SupportedWindows, Mac OS
Power Requirements100 to 240 VAC (+/- 10%), 50/60 Hz (+/- 3 Hz)
Dimensions1900 x 700 x 1374 mm

Summary

Using this manual

Purpose

Details the scope of the service manual for testing, calibrating, and servicing printers.

Readership

Specifies that procedures are for HP-certified service personnel only.

Part Numbers

Locates part numbers for options, accessories, and service parts in the manual.

Printing tips and tricks

Paper loading

Advice on loading rolls with 3-inch cores to reduce smears and jams.

Paper-advance calibration

Explains automatic calibration triggers and types to reduce banding and line continuity issues.

Printhead alignment

Recommends specific papers for best alignment and when alignment is necessary.

Use of multiple rolls

Discusses printer setup for multi-roll printing with roll-switch and paper mismatch policies.

Troubleshooting

Printer education and training

Emphasizes the need for relevant training before attempting troubleshooting procedures.

Firmware update

Guides on checking and updating printer firmware to resolve common problems.

Print-quality troubleshooting

Advises printing a Diagnostic Print to help diagnose print-quality issues.

Troubleshooting system error codes

Refers to a list of system error codes, their descriptions, and recommended actions.

The printer does not power on

Provides steps to resolve issues where the printer does not power up.

The printer hangs during printing and displays ‘processing’

Addresses printer hangs during printing, possibly with error 79:04.

Printhead crashes/smears on high-density prints using coated paper

Addresses printhead crashes or smears on high-density prints with coated paper.

Solving paper-handling problems

Provides solutions for paper misalignment or incorrect positioning issues.

How to read the Formatter LEDs

Explains how to interpret Formatter LEDs for troubleshooting.

How to troubleshoot the 79:04 system error

Provides a guide to troubleshoot generic firmware errors like 79:04.

System error codes

System error codes

Explains system error codes as hexadecimal numbers for internal system errors.

Explanation of system error codes and warnings

Describes how system errors explain component failure and required actions.

Continuable and non-continuable error codes

Differentiates between error codes that allow continued operation and those that halt it.

Ink supplies

What are ink supplies?

Identifies ink cartridges, printheads, and maintenance cartridge as ink supplies.

Ink Cartridges

Details ink capacities, types, and maintenance for color and monochrome printers.

Printheads

Explains printhead connection, durability, and quality, and when replacement is needed.

General precautions when handling ink supplies

Outlines precautions for handling ink supplies, especially printheads.

Priming the ink system

Explains the printer's automatic priming process for the ink tubes.

When should you replace the ink supplies?

Guides on when to replace ink supplies based on front panel messages and ink levels.

Obtaining Ink Cartridge information

Details how to access and interpret ink cartridge information via the front panel.

Ink Cartridge status messages

Describes status messages (OK, Low, Very Low, Empty, Faulty) for ink cartridges.

Troubleshooting Printhead error codes

Explains how to find and interpret Printhead error codes from service information prints.

Warranty information for ink supplies

Outlines warranty end conditions for ink cartridges and printheads.

Service tests and utilities

Service tests (diagnostics)

Lists available internal service tests for diagnosing component operations.

Entering the Service Tests menu

Provides instructions on how to access the Service Tests menu using specific key combinations.

Scan Axis test

Details the procedure to diagnose failures in Scan Axis related components.

Paper Drive test

Explains the procedure to diagnose failures in Paper Axis related components.

Electronics Module test

Guides on testing the Formatter's operation, memory, and hard disk partitions.

Carriage Assembly test

Provides steps to check the operation of the Carriage Assembly and its components.

Hard Disk recovery

A utility to clean user data and recover the printer from an unstable state.

File system check

Checks file system consistency on the Hard Disk and attempts automatic repair.

OMAS Module test

Details how to check the operation of the Optical Paper Advance Sensor (OMAS) system.

Service calibrations

Paper Advance Calibration

Calibrates paper advance to control precise movement and avoid banding issues.

Drop Detector calibration

Calibrates the Drop Detector relative to the Carriage Assembly, especially after disassembly.

Line Sensor calibration

Calibrates Line Sensor intensity to prevent edge-detection failures and reading errors.

Calibrate Rewinder

Calibrates the printer's Rewinder Motor parameters by performing movements.

Primer calibration

Computes the optimum position of the Primer Assembly relative to the Carriage.

Reset Vacuum Calibration

Resets nominal vacuum calibration values, useful if pressure is incorrect.

Platen blue line calibration

Calibrates the blue line on the Print Platen, especially after disassembly.

OMAS Calibration

Calibrates the OMAS Module by printing and scanning a calibration pattern.

Print quality

Initial print-quality troubleshooting actions

Provides basic actions to resolve print-quality problems without an on-site visit.

Optimize print quality

Adjusts printer and supplies for optimum quality, executing calibrations automatically.

Printhead alignment

Describes status codes related to printhead alignment and troubleshooting.

How to use the Image Quality Service Diagnostic Print

Guides on using diagnostic prints to identify and resolve image-quality defects.

Banding

Discusses banding problems, their causes, and troubleshooting steps.

Lines are too thick, too thin or missing

Troubleshoots issues with line thickness, missing lines, or jagged lines.

Colors are inaccurate

Provides remedies for inaccurate colors due to paper type, settings, or color management.

Parts and diagrams

Printer

Lists major printer components and their sub-parts for reference.

Electronics Module

Provides part numbers for the main electronic components like PCA, Formatter, and PSU.

Carriage Assembly

Shows components of the carriage assembly, including sensor, cutter, and PCA.

Scan-axis Assemblies

Details parts for scan-axis assemblies, including encoder strip and motor.

Drive Roller and Media-axis Motor

Lists parts for the drive roller and media-axis motor, including encoder kit and gears.

Main PCA

Details the removal and installation of the main PCA.

Formatter

Guides on removing and installing the formatter, including cautions.

Hard Disk Drive (HDD)

Guides on removing and installing the hard disk drive, with precautions.

Power Supply Unit (PSU)

Provides instructions for removing and installing the power supply unit.

PrintMech PCA

Details the removal and installation of the PrintMech PCA.

Printer part removal and installation

Service part order

Provides a list of printer parts and their corresponding page numbers for removal and installation.

Disassembly order

Outlines the sequence for disassembling printer components for removal or replacement.

Safety Precautions

Reviews WARNING and CAUTION symbols and provides protection advice.

Cover, Right

Provides step-by-step instructions for removing the right cover.

Cover, Left

Provides step-by-step instructions for removing the left cover.

Front Panel

Details the steps for removing the front panel and its associated cables.

Service Station

Guides on removing and installing the service station.

Vacuum Fan

Provides instructions for removing and installing the vacuum fan.

Drop Detector

Provides instructions for removing and installing the drop detector.

Carriage

Details the procedure for removing and installing the printer carriage assembly.

Carriage PCA

Guides on removing and installing the carriage PCA.

Ink Supply Tubes and Trailing Cable

Provides instructions for removing and installing ink supply tubes and trailing cable.

Scan-Axis Motor

Guides on removing and installing the scan-axis motor.

Media-Axis Motor

Provides instructions for removing and installing the media-axis motor.

Encoder Strip and Encoder Sensor

Details the removal and installation of the encoder strip and sensor.

Line Sensor Assembly

Guides on removing and installing the line sensor assembly.

OMAS Controller Card

Guides on removing and installing the OMAS controller card.

Hard Disk Drive (HDD)

Guides on removing and installing the hard disk drive, with precautions.

Power Supply Unit (PSU)

Provides instructions for removing and installing the power supply unit.

PrintMech PCA

Details the removal and installation of the PrintMech PCA.

Stacker part removal and installation

Right Cover

Guides on removing and installing the right cover of the stacker.

Left Cover

Provides instructions for removing and installing the left cover of the stacker.

Top Cover

Details the removal and installation of the stacker's top cover.

Lower Front Cover

Guides on removing and installing the lower front cover of the stacker.

Pinchwheels

Provides instructions for removing and installing the stacker's pinchwheels.

Drive Motor

Details the removal and installation of the stacker's drive motor.

Media Sensor

Guides on removing and installing the media sensor.

Extension Tray

Provides instructions for removing and installing the extension tray.

Receiving Tray

Details the removal and installation of the receiving tray.

Electronics PCA

Details the removal and installation of the electronics PCA.

Heating Lamp

Provides instructions for removing and installing the heating lamp.

Heat Roller

Details the removal and installation of the heat roller.

Transport Belt

Guides on removing and installing the transport belt.

Preventive maintenance

General cleaning

Provides steps for general cleaning to maintain good operating condition.

Clean the Encoder Strip

Explains the importance of cleaning the encoder strip to clear system errors and paper issues.

Lubricate the Carriage Assembly

Explains how to lubricate the carriage assembly for smooth sliding along the slider rod.

Scheduled maintenance

Discusses proactive maintenance to avoid failures and ensure performance.

Preventive Maintenance Kits

Outlines the purpose and contents of preventive maintenance kits.

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