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A few months ago, we learned about how to
use the Input Component Control Codes to test
sensors & switches and such. This article will
revisit how to use the diagnostics and we'll list
the Output Component Control codes (for testing
motors, solenoids, clutches, etc.)
The Service Manual tells how to get into the "UI" (User Interface) Diagnostics from the Control Console, and you can also read about how to get to the Component Control screen. Unfortunately the service manual stops short of including a list of which codes do what. If you happen to be blessed with access to one of the PWS's (Portable Work Stations) with this machine's diagnostic program on it, and you went into the Component Control screen, you would be treated to a full list of codes to scroll through (complete with descriptions). Without that fancy PWS, you need to know the codes to be able to test anything. We'd better review how to get into Diagnostics. The procedure for entering UI Diagnostic Mode varies by model. 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'. Scroll down and choose 'IO Check' and finally, select 'Component Control'. From the Component Control screen, you'll enter the 'Chain' (the first 3 digits of the code) followed by the 'Function' (the second 3 digits of the code). Press 'Start' to activate the test. For the Output Component Tests, you will be able to see on-screen the status of the component (H for high or L for low)… you will watch the component to see if it actuates or if it runs. Most components time out after a few seconds. Press 'Start' again to run it some more. Press the 'Stop' button to stop the current test. When you're done, press 'Close' to leave the Component Control screen. Below is a list of the Output Component Codes. The list is followed by a quick run-down of what some of the acronyms stand for. Output Component Codes:    Acronym interpretations: BCR = Bias Charge Roll (from color drum cartridge) BTR = Bias Transfer Roll CC = charge Corona (on black drum cartridge) CCD = Charge Coupled Device CVT = Constant Velocity Transport DADF = Duplexing Automatic Document Feeder HCF = High Capacity Feeder IBT = Image Belt Transfer IIT = Image Input Terminal (scanning section of machine) IOT = Image Output Terminal (printing section of machine) IPS = Image Processing System J- tra = 'J' Transport MOB = Marks On Belt MSI = Multiple Size Input (Bypass Tray) OCT = Oscillating Catch Tray V-tra = Vertical Transport That about wraps up the Output Components. Eventually we'll need to revisit this series yet again to offer up the NVM (Non Volatile Memory) settings. Britt works for The Parts Drop, a company whose primary business is providing parts, supplies and information for Xerox brand copiers, printers and fax machines. For more information, visit www.partsdrop.com. |
Xerox
DC250 Style Technical Information: Output Component
Control Codes