Service Guide

Removing the entrance sensor board 113 Removing the high voltage power supply 115 Removing the low voltage power supply 116 Removing the control panel 117

Removing the feed roller and nudger roller 118 Removing the retard pad 119

Removing the paper size sensing board 121 Removing the paper size sensing actuator 122 Removing the main feeder assembly 124 Removing the lower plate assembly 125 Removing the paper tray lift arm roller 126 Removing the multi-sheet bypass feeder 128

Removing the multi-sheet bypass feeder entrance sensor actuator 129 Removing the tray 1 entrance sensor actuator 130

Removing the belt entrance sensor actuator 131 Removing the transfer belt unit 132 Removing the registration clutch 133 Removing the registration motor assembly 134

Removing the registration roller assembly A and drive gear 136 Removing the registration roller assembly B 138

Removing the fuser unit 139 Fuser latching handle (left) 140

Removing the fuser latching handle (right) 141 Removing the fuser exit roller 143 Removing the exit sensor assembly 145 Removing the duplex guide assembly 147 Removing the eject guide assembly 148 Removing the LED Assembly power connector 149 Removing the stack full sensor 150

Removing the main motor assembly 152 Removing the main feeder drive motor 153 Removing the transfer belt motor assembly 155 Removing the shutter plate 156

Removing the color registration sensor assembly 157 Removing the color registration solenoid 158 Removing an LED assembly 159

Removing the drum contact assembly 160 Disconnecting the LED assembly power harness 161 Removing the toner sensor actuators 162 Removing the duplex unit 163

Removing the feeder control board cover 164 Removing the idler roller assembly 165

Removing the optional feeder inner frame bottom screws 166

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.