Ricoh Priport VT 6000 Service Manual page 4

4.2.3 DIP SWITCHES, LEDS, VRS, TPS
(ON THE MAIN CONTROL PCB) ................................................. 4-10
DIP Switches .................................................................................... 4-10
Photodiodes...................................................................................... 4-10
VRs................................................................................................... 4-11
TPs ................................................................................................... 4-11
4.2.4 EXPECTED LIFE OF PARTS ........................................................ 4-11
4.2.5 SPECIAL TOOLS .......................................................................... 4-12
4.3 SERVICE PROGRAM MODE................................................................. 4-13
4.3.1 SERVICE PROGRAM MODE OPERATION .................................. 4-13
Service Program Mode Access Procedure (for engineers)................ 4-13
Service Program Mode Access Procedure (for users) ...................... 4-14
Change Adjustment Values or Modes............................................... 4-14
4.3.2 SERVICE PROGRAM TABLE ....................................................... 4-15
4.3.3 THERMAL HEAD TEST ................................................................ 4-32
4.3.4 COMMAND SHEET CHECK ......................................................... 4-33
4.3.5 INPUT/OUTPUT CHECK MODE ................................................... 4-34
Input Check Mode Access Procedure ............................................... 4-34
Output Check Mode Access Procedure ............................................ 4-34
Input Check Table............................................................................. 4-35
4.3.6 USER CODE MODE...................................................................... 4-42
User Codes....................................................................................... 4-42
How To Use a User Code ................................................................. 4-42
5. REPLACEMENT AND ADJUSTMENT ......................................... 5-1
5.1 MASTER FEED........................................................................................ 5-1
5.1.1 THERMAL HEAD VOLTAGE ADJUSTMENT .................................. 5-1
5.2 PAPER FEED .......................................................................................... 5-3
5.2.1 SECOND FEED ROLLER START TIMING...................................... 5-3
5.2.2 PAPER FEED ROLLER REMOVAL ................................................ 5-5
5.3 DELIVERY ............................................................................................... 5-6
5.3.1 EXIT PAWL TIMING ADJUSTMENT ............................................... 5-6
6. POINT TO POINT DIAGRAM (C228)............................................ 6-1