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File name 04-TestsAdjustmts.pdf

Tests Prints, Adjustments, and NVRAM Reset Section Contents Service Test Prints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1 Test Print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Engine Test Print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5 Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Fuser Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6 Resetting NVRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7 Customer Menu Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 Service Diagnostics Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 Front Panel Shortcut Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 Service Test Prints There are two test prints stored in the printer that are primarily intended for service use. One is the Test Print that is accessible from the printer's Printable Pages Menu when you select Print Test Prints. The other is the Engine Test Print, which is stored in the Engine Logic Board and is accessible through the Engine Test Print menu in Service Diagnostics. Phaser 4400 Laser Printer Service Manual 4-1 Test Print This page of blocks, lines, patterns, and text provides an aid in evaluating the quality of printing and in making registration adjustments. The use of the Test Print in evaluating image quality is covered in detail in Image-Quality Checkout Procedures on page 3-41. Note: Insure that Edge-to-edge printing is set to OFF in the PCL Job Defaults Menu before starting the Test Print. Otherwise, the image will be shifted left. The printer prints the Test Print in accordance with the defaults established in the Job Defaults Menu. To set the Job Defaults: 1. Select the Printer Setup Menu and press OK. 2. Select the Job Defaults Menu and press OK. 3. Select the print parameter that you want to set or change and press OK. In most cases, you are prompted to choose from several alternatives, such as choosing the input tray. In other cases, Job Offset for instance (if optional Stacker is installed), pressing OK toggles the setting from its current state, either from Off to On, or from On to Off. When you set the quantity, it is for a number of image pairs. When Duplexing is off, selecting a quantity of 5 prints ten single-sided prints. When duplexing is on, selecting a quantity of 5 prints five double-sided prints. 4. When you have finished setting all the parameters, scroll to Exit and press OK to return the printer to the Ready state. To pr