Samsung CLP 300 Service Manual - Page 61
_06-Alignment, 6. Alignment and Adjustments, 6.1. Control Panel - color printer
UPC - 635753721041
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66. Alignment and Adjustments This chapter describes some of the main service procedures including: Using the EDC mode; Clearing paper jam and test patterns. Much of this chapter is also included in the user's guide. Alignment and Adjustmens 6.1. Control Panel 6.1.1 Overview - The CLP-300 printers do not have LCD panel which is used in other color model printers. On the contrary to other models of color printers, they show the status of the printer only with their LEDs. - The CLP-300 printers have 2 keys and 6 LEDs. The 'User Interface' module handles the processing of the 'Key Press' and 'Led control' at different states of the machine. 6.1.2 Architecture KEY (2 key): Stop key, Black only key LED (6 LEDs): 4 LED for CMYK toners : toner-low(cyan, magenta, yellow, black) LEDs 1 LED for status : ready (green) or error(red) status LED (two color LED) 1 LED for Black only: If Black only key is pressed, Black only led glows. Stop Status Black Only CLP-300 6.1.3 Data and Control Flow User interface (panel) is made up of - KEY input detection & process - LED control The initial process to use the panel checks register°Øs values of key and LED. If user input key value, the operation to be defined by key value is processed and the LED operation to be defined by printer status is controlled. Samsung Electronics Service Manual 6-1