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Introduction Symbols Used This documentation uses the following symbols to indicate special information: Symbol Description Indicates an item of a non-specific nature, possibly classified as Note, Caution, or Warning. Indicates an item requiring care to avoid electric shocks. Indicates an item requiring care to avoid combustion (fire). Indicates an item prohibiting disassembly to avoid electric shocks or problems.
Introduction The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with refer- ence to the timing of operation. In the diagrams, represents the path of mechanical drive; where a signal name accompanies the symbol , the arrow indicates the direction of the electric signal.
Chapter 1 Chapter 1 Maintenance and Inspection 1.1 Periodically Replaced Parts 1.1.1 Periodically Replaced Parts 0010-3934 This machine does not have parts that must be replaced periodically. 1.2 Durables 1.2.1 Durables 0010-3935 This machine does not have durables. 1.3 Periodical Servicing 1.3.1 Periodic Service Items 0010-3936 This machine does not have periodic service items.
Chapter 2 Chapter 2 Standards and Adjustments 2.1 Basic Adjustment 2.1.1 Outline 0010-3940 This machine has the following adjustment items. Carry out each adjustment after replacing the relevant parts. T-2-1 Adjustment type Replaced parts Remarks Height adjustment Hinge Perpendicularity adjustment Hinge Magnification adjustment Motor/roller...
Chapter 2 F-2-5 2) If the height is inappropriate, adjust it using the right hinge height adjust- ing screw . Loosen the nut  before adjustment, and tighten it after adjustment. F-2-7 3) Loosen the right hinge clamping screw , and slide the hinge back and forth with reference to the graduation marks.
Chapter 2 7) Press the OK key. 8) Using arrow keys, select 48. 9) Using numeric keys, change the value to determine the optimum value. Press the OK key. (Default: 16) 10) Using arrow keys, select 54. 11) Using numeric keys, increase or decrease the value by the value changed in step 9.
Chapter 4 Chapter 4 Outline of Components 4.1 Outline of Electrical Components 4.1.1 Electric Parts Layout/Functions 0010-3950 <Sensors> T-4-1 Relay ADF driver Symbol Name Part No. Jam code Document width sensor 2 (directly mounted on the FH5-3731 Relay PCB) Document width sensor 1 (directly mounted on the FH5-3731 Relay PCB)
Chapter 4 PCB1 PCB2 F-4-2 4.2 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB 4.2.1 Outline 0010-3951 Among the LEDs and check pins of this machine, only those handled during field servicing are listed below. Check pins not listed in the list are used only in the factory. When performing adjustments and checks using these check pins, special tools and measuring instruments are required.
Chapter 5 Chapter 5 System Construction 5.1 Basic Construction 5.1.1 Outline of Electric Circuit 0010-3889 Electric circuits of this machine are controlled by the reader controller PCB and image processor PCB. The ASICs on the reader controller PCB and image processor PCB detect the signals received from the host machine to output the signals that drive DC loads such as motors and solenoids at the predetermined timings.
Chapter 5 Item Specification Remarks Same types of paper can be mixed. Mixing of same type of paper: 52-105 g/m2 or Different types of paper can be mixed. less (equivalent to that Examples of mixing of different types of paper in continuous feed Mixed document function mode)