Figures

The Phaser 1235 Color Printer with lower tray feeders 1 Print engine circuit boards 5

Print engine circuit boards (cont’d) 6 Print engine sensor and switch locations 7

Print engine sensor and switch locations (cont’d) 8 Print engine motors, clutches and solenoids 9 Optional feeder motor and clutch 10

Features of the controller board 11 The control panel 12

The printer rear panel 13

Tray switch sensors and actuators 15 Door safety interlock switches 37 LED Head Test Pattern 68

Print problem caused by dirty LED lens 83 Removing the top cover 87

Removing the left-side cover 88 Removing the right-side cover 89 Removing the rear cover 90 Removing the front cover 91 Removing the face-up tray 92 Removing the right shield plate 93 Removing the electrical chassis 95 Removing the electrical chassis cooling fan 96

Disconnecting the registration motor in-line connector (HOPFF) 97 Removing the printer unit chassis 98

Removing the main cooling fan 99 Removing the top shield plate 100

Removing the harnesses from the electrical chassis 101 Removing the top cover inner frame 102

Removing the left/right top cover spring assembly 103 Removing the lower plate assembly 104

Removing the left paper tray guide assembly 105 Removing the paper tray guide assemblies 106 Removing the right paper tray guide assembly 107 Removing the left plate assembly 108 Removing the system controller board 109 Removing the print engine controller 110 Disconnecting the LED power harnesses 111 Removing the toner sensor board 112

xPhaser 1235 Network Color Printer

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Tektronix manual Figures, Phaser 1235 Network Color Printer

1235 specifications

The Tektronix 1235 is a versatile and high-performance oscillograph that has made a significant impact in the realm of electronic testing and troubleshooting. Renowned for its innovative technologies and robust features, the 1235 caters to a wide range of applications, particularly in industries such as telecommunications, automotive, and educational institutions.

One of the standout features of the Tektronix 1235 is its dual-channel capability, allowing users to observe and analyze multiple signals simultaneously. This is particularly advantageous for engineers and technicians who need to compare waveforms directly, enhancing their ability to diagnose circuit-related issues efficiently. The oscilloscope supports a bandwidth of up to 100 MHz, ensuring that it can capture fast transient signals with precision.

The Tektronix 1235 also boasts a sampling rate of 500 MS/s, which is crucial for accurately reconstructing complex waveforms. This high sampling rate minimizes the risk of aliasing, ensuring that signals are displayed accurately on the screen. Furthermore, its deep memory architecture allows for long acquisition times, enabling prolonged observation of waveforms without the need to frequently refill memory.

In terms of user interaction, the Tektronix 1235 features a user-friendly interface that simplifies the process of setting up measurements. The clear, bright display enhances visibility, even under varying lighting conditions. It also includes numerous trigger options, so users can capture specific events with ease, making it well-suited for troubleshooting repetitive signals or sporadic glitches.

Another key characteristic of the Tektronix 1235 is its reliability and build quality. Designed to withstand the rigors of daily use in demanding environments, this oscilloscope is robust, ensuring that it remains operational even in challenging conditions. The modularity of the device allows for easy upgrades, meaning it can evolve alongside technological advancements and changing user needs.

The combination of its advanced features, impressive performance specifications, and ease of use makes the Tektronix 1235 an indispensable tool for engineers and technicians alike. Whether for educational purposes or intricate electronic debugging, this oscilloscope provides unparalleled capabilities that empower users to handle modern electronic challenges with confidence. Its legacy continues to influence the design and functionality of oscilloscopes in the industry today.