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 Britt Horvat

Xerox DocuColor 250 (DC250 style) Technical Information - Part II

(Diagnostics: Component Control / Testing)

Docucolor 240, 250, 242, 252, 260, WorkCentre 7655, 7665, 7675, 7755, 7765, 7775

Last month, we explored the Fault Codes of the DC250 style. This time we'll hit on some of the goodies available to us from the "User Tools" and also the much deeper UI Diagnostic capabilities. Fortunately for everybody, this machine allows most of the procedures and tests to be run from the UI (User Interface) / Control Console without any special software. This is the way a good machine should be. This month we'll do a general overview of the diagnostics and how to get to stuff you'll need.

The "Machine Status" Button:

The "Machine Status" button near the lower left of the control panel gives folks access to the following stuff:

• Machine Information (includes serial number, machine configuration, a paper tray status chart, & software versions)

• Billing Meters

• Print Report / List (basic reports like job status, copy mode settings, print mode settings, or scan mode settings)

• Consumables (a list of customer replaceable consumables and their statuses)

While the current fault code or message is normally displayed on the upper left corner of the screen, you may want to also view a Fault History Report to see what faults have been going on lately. This can be done by pressing the "Machine Status" button. Then touch the "Faults" tab. A button will show up which will allow you to print out the "Fault History Report".

System Administrator Mode:

This password protected mode allows the key operator or administrator more access to things like default settings. To get into System Administrator Mode:

• For DC240/242/250/252/260: Press "Log-in/out" and enter the password (the default is '11111' (five 1's)).

• For WC-7655/7665/7675: Press "Log-in/out" and enter the user name "admin" followed by the password (the default is '1111' (four 1's)). If the default password does not work, you'll need to ask the customer for the new password.

Once you're in the System Administrator mode, you'll see a menu with 4 choices:

• System Settings (This choice's submenu is covered later)

• Setup Menu (Paper Tray Attributes settings)

• System Administrator Settings (Login ID, Administrator Password, & Maximum Login Attempts)

• Login Setup / Auditron Administration

System Settings brings you to a submenu: Common Settings, Copy Mode Settings, Scan Mode Settings, & Network Controller Settings.

If you choose "Common Settings" you'll see a nice long list of choices:

• Machine Clock / Timers

• Audio Tones

• Screen Defaults

• Paper Tray Settings

• Image Quality Adjustments

• Reports

• Maintenance / Diagnostics (in System Admin Mode, two choices appear: "Initialize Hard Drive", or "Delete All Data". You'll see later that this submenu has a much wider range of choices from "CE" mode / UI Diagnostic Mode.)

• Watermark

• Other Settings

UI Diagnostic Mode (also called "CE Mode"):

CAUTION: I think it is very important to caution anyone who might read this, that the UI Diagnostic Mode is for experienced technicians … changing settings or running internal tests on these machines without an in-depth understanding of what you are doing can cause serious problems or even damage to the machine, and can also be dangerous for the person running the tests. Do not use the information presented here unless you are willing to take 100% responsibility for your actions.

The process for getting into the UI Diagnostic Mode depends on exactly which model you're working on. For DC240/242/250/252/260: Hold down the '0' button for 5 full seconds and then, while still holding the '0', press 'Start'. A prompt for a password will show up (the "CE Access Number" screen). Use the default password '6789' followed by 'Confirm'.

For most WC-7655/7665/7675's (some early ones work like the DC250 above… also probably true for the 7755/7765/7775): Hold down together '*', '#', & 'Stop' until the password prompt shows up. Then use the '6789' default password followed by 'Confirm'. Next press the "Log-in / Log-out' button.

Once you're in UI Diagnostic Mode, choose 'System Settings', then choose 'Common Settings', followed by 'Maintenance / Diagnostics'. Here you'll find the most important menu. We'll talk briefly about each of the menu items afterwards.

Here are the things you'll see:

• Software Options (Allows an OEM rep to install upgrades for the machine using passwords provided by the OEM using the machine's serial number to generate the password. If a machine has options installed, make sure to keep a backup of all passwords for that machine's options.)

• Print Test Patterns

• MAX Setup (for color registration setup, etc.)

• Initialize Hard Disk (Warning… Don't use this without a full understanding of what the procedure will do. You'll need to have the full Service Manual on-hand. This will reformat partition 1, eliminating all fonts & Job Templates)

• NVM Initialization (Warning… Don't use this one either without a full understanding of what the procedure will do. You should only use this stuff if you have the full Service Manual with you.)

• Component Control (Allows you to test Input & Output Components. You will need a list of what each Component's Control Code is to use this.)

• Sub System (Has a submenu choice: "Belt Edge Learn…" necessary for whenever the IBT Belt is replaced)

• Delete All Data

• NVM Read/Write (Allows you to change NVM [Non Volatile Memory] settings. You will need a list of what each NVM Setting Code is before you can make use of this.)

• Registration (Registration of the image on the paper) Adjustment / Others (Has a submenu with two choices: "Machine ID / Billing Data Settings" & "Initialize HFSI Counter")

This article will be continued on the next issue. 


Britt works for The Parts Drop. Visit their website www.partsdrop.com for more information.

 
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