User ManualTable of ContentsGENERAL PRECAUTIONS1CONTENTS31. ERROR CODES AND SELF-DIAGNOSIS71.1 Error Code List71.2 Self-Diagnosis Mode121.2.1 Input check (Test mode 03)141.2.2 Output check (Test mode 03)211.2.3 Test print mode (04)251.2.4 Adjustment mode (05)261.2.5 Setting mode (08)392. ADJUSTMENT552.1 Adjustment Order (Image Related Adjustment)552.2 Adjustment of the Auto-Toner Sensor562.2.1 Automatic removing of developer material562.2.2 Initialization of the auto-toner senor572.3 Adjustment of Image Quality Control612.4 Adjustment of Color Registration Control622.5 Image Dimensional Adjustment632.5.1 Paper alignment (paper buckle) at the registration roller652.5.2 Regiatration motor speed adjustment662.5.3 Printer section related adjustment672.5.4 Scanner related adjustment702.6 Image Quality Adjustment782.6.1 Automatic gamma adjustment782.6.2 Density adjustment792.6.3 Color balance adjustment802.6.4 Offset adjustment for background processing812.6.5 Judgment threshold for ACS812.6.6 AI mode setting822.6.7 Sharpness adjustment832.7 High-Voltage Transformer Settings842.7.1 Overview842.7.2 Settings after replacing main high-voltage transformers842.7.3 Settings after replacing transfer transformer852.8 Adjustment of the Developer Unit862.8.1 Doctor-to-Sleeve Gap862.9 Adjustment of the Scanner Section872.9.1 Carriages872.9.2 Lens unit912.10 Adjustment of the Paper Feeding System932.10.1 Cassette sidewise deviation932.11 Key Copy Counter (MU-8, MU-10)943. PREVENTIVE MAINTENANCE (PM)963.1 Types of Preventive Maintenance963.2 Outline of the Maintenance Order973.3 Preventive Maintenance Checklist973.4 PM Kit1063.5 List of Adjustment Tools1073.6 Precautions for Storing/Handling Supplies and Parts1083.6.1 Precautions for storing TOSHIBA supplies1083.6.2 Checking and cleaning of the photoconductive drum1083.6.3 Checking and cleaning of the drum cleaning blade and transfer belt cleaning blade1103.6.4 Checking and replacing the transfer belt1103.6.5 Checking and replacing the transfer roller and fuser roller1103.6.6 Checking and cleaning of the fuser belt and lower heat roller1103.6.7 Checking and replacing the oil roller and cleaning roller1114. TROUBLESHOOTING1124.1 Diagnosis and Prescription for Each Error Code1124.1.1 Paper transport jam inside the copier1124.1.2 Paper feeding jam1154.1.3 Paper transport jam (Paper not reaching the registration sensor after feeding)1174.1.4 Cover open jam1184.1.5 Paper jam in ADU and reversing area1204.1.6 Original jam in the RADF1214.1.7 Paper jam in the finisher1234.1.8 Special sheet jam1314.1.9 Drive system related service call1324.1.10 Paper feeding system related service call1344.1.11 Scanner related service call1364.1.12 Copy process related service call1374.1.13 Fuser unit related service call1404.1.14 Communications related service call1424.1.15 ADF related service call1434.1.16 Other service call (1)1444.1.17 Laser optical unit related service call1454.1.18 Finisher related service call1474.1.19 Image quality related service call1654.1.20 Other service call (2)1734.1.21 Image processing related service call1744.2 Troubleshooting of Image1755. UPDATING THE FIRMWARE2005.1 Installing Software for Firmware Update2015.1.1 Outline2015.1.2 Requirements2015.1.3 Dial-up networking function2035.1.5 Setting dial-up networking2095.1.6 Installing software for FTP server2135.2 Operation Procedure in [3][9] Mode2175.2.1 Outline2175.2.2 Preparation2175.2.3 Updating firmware2195.2.4 Display2275.3 Updating the Firmware Using the Downloading Jig2315.3.1 System firmware2325.3.2 Engine firmware2386. POWER SUPPLY UNIT2416.1 Output Channel2417. WIRE HARNESS CONNECTION DIAGRAMS2457.1 AC Wire Harness2467.2 DC Wire Harness247<Appendix> SPECIFICATIONS ・ ACCESSORIES ・ OPTIONS ・ SUPPLIES2481. Specifications2482. Accessories2523. Options2534. Replacement Units/Supplies2535. System List254Size: 4.56 MBPages: 254Language: EnglishOpen manual