077-900VersaLink B400

Xerox VersaLink B400 error 077-900: Input Paper Error

The Xerox VersaLink B400 error 077-900 is a classic input paper feed fault. When asking why does my Xerox VersaLink B400 show error 077-900, users often find it is caused by worn rollers or incorrectly loaded paper. The printer is designed to detect if the sheet does not advance upon initiating print commands.

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Common causes

  • 1Pickup rollers wear.
  • 2Improperly loaded paper with incorrect guide adjustment.
  • 3Sheets stuck together due to high humidity.
  • 4Dirty or blocked entry registration sensor.

Solutions

Diagnóstico rápido

The paper entry sensor failed to detect the sheet movement. Check the tray status and the pickup rollers.

Solución paso a paso

  1. Removal: Take out the paper tray completely.
  2. Inspection: Check for any crumpled paper in the input area.
  3. Cleaning: Wipe the rubber rollers with a cloth to improve traction.
  4. Configuration: Ensure the media size setting on screen matches the loaded paper.

Prevención y mantenimiento

Always fan the paper before loading the tray. If the error persists after cleaning, consider replacing the roller maintenance kit.

Cuándo llamar a un técnico

If the error continues after cleaning the rollers and testing multiple times, there may be a damaged entry sensor or a failing feed motor.

Ficha técnica del equipo

  • Technology: Laser
  • Speed/Approximate performance: 47 ppm
  • Feeding capacity: 550 sheets
  • Compatible consumable: B400 series toner cartridge
  • Maintenance suggested: Semi-annual roller cleaning
  • Drivers / official firmware

Steps to follow

  1. 1

    Remove tray

    Pull the paper tray out to inspect the pickup roller.

  2. 2

    Cleaning

    Clean the rubber rollers with a damp cloth.

  3. 3

    Alignment

    Ensure the paper guides are adjusted to the paper size.

Frequently asked questions

This code indicates the printer failed to pick up a sheet from the input tray.

Yes, if the side guides are too loose or too tight, the paper will not feed correctly.

It uses the B400 series toner, designed for optimal performance.

Clean the pickup rollers periodically with a damp lint-free cloth.

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