Sony UP-D2600S Service Manual page 4

3-3. Printing the Built-in Test Pattern ................................................................ 3-7
3-4. Adjustments When Thermal Head is Replaced .......................................... 3-9
3-5. Main Service Commands (Excluding Mechanical Adjustments) ............. 3-10
3-6. Mechanical Adjustment ............................................................................ 3-12
4. Circuit Description
4-1. Circuit Operations of IF-787 and IF-788 Boards ........................................ 4-1
4-2. Print Control Circuit Section (PRT-11 Board) ............................................ 4-6
5. Mechanical Description
5-1. Mechanical Operation Description ............................................................. 5-1
5-2. Printing operation description ..................................................................... 5-4
5-3. Platen drive section ........................................................................................ 5-9
5-4. Paper supply and eject drive section ......................................................... 5-10
6. Troubleshooting
6-1. Electrical System Problems ......................................................................... 6-1
6-2. Mechanism Troubleshooting ....................................................................... 6-3
2
3-6-1. Mechanical Adjustment Mode ................................................. 3-12
3-6-2. Checking if Operations are Normal,
and Automatic Adjustment ...................................................... 3-12
4-1-1. Oscillator Circuit and Reset Circuit ........................................... 4-1
4-1-2. SCSI Interface Circuit (UP-D2600S only) ................................. 4-2
4-1-3. DRAM and Memory Control Circuit ......................................... 4-3
4-1-4. CPU Circuit ................................................................................ 4-4
4-1-5. Color Adjustment and Masking Table Circuit ........................... 4-5
4-2-1. Fan Motor Drive Circuit ............................................................. 4-6
4-2-2. Ribbon Motor Drive Circuit ....................................................... 4-6
4-2-3. Paper Supply Motor Drive Circuit ............................................. 4-7
4-2-4. Head Motor and Tray Motor Drive Circuits .............................. 4-7
4-2-5. Platen Motor Drive Circuit ......................................................... 4-8
4-2-6. Sensor Detection Circuit .......................................................... 4-10
4-2-7. Paper Ejector Motor Drive Circuit ........................................... 4-16
5-2-1. Position change during printing operation ................................. 5-4
5-2-2. Home position ............................................................................ 5-5
5-2-3. Eject paper position .................................................................... 5-6
5-2-4. Printing position ......................................................................... 5-7
5-2-5. Fast forward position .................................................................. 5-7
5-2-6. Eject paper position (Almost same as home position) ............... 5-8
5-3-1. Platen drive section gear ratio .................................................... 5-9
5-3-2. Uneven print ............................................................................... 5-9
UP-D2600/V1(E)