Samsung SCX4521HS
Service Mode. 1 Entering
In service (tech) mode, the technician can check the machine and perform various test to isolate the cause of a malfunction. While in Tech mode, the machine still performs all normal operations.
Entering Tech mode
• 4–in-1 Model
- Press “Menu > # > 1 > 9 > 3 > 4” on the control panel continuously.
- Press Menu.
- Select “Tech Mode”.
• 3–in-1 Model
- Press “Menu > Back > Left > Right > OK > Stop” on the control panel continuously.
NOTE
Some menus may not appear on the display depending on the models.
| Depth 1 | Depth 2 | Depth 3 | Depth 4 |
|---|---|---|---|
| Data Setup | Send Level | [9-15] | 12 |
| DTMF Level | High [0-15] | Low [0-15] | |
| Pause Time | [1-9] | ||
| Dial Mode | Tone,Pulse | Tone | |
| Modem Speed | 33.6, 28.8, 14.4, 12.0, 9.6, 4.8 | 33.6 | |
| Error Rate | 5%, 10% | 10% | |
| Clear All Mem. | |||
| Toner Low Level | [1:30]:10 | ||
| Clear Count | Enter Password [????] | Platen Scan | |
| ADF Scan | |||
| Transfer Roller | |||
| Fuser | |||
| Pickup Roller | |||
| Feed Roller | |||
| ADF Roller | |||
| ADF Rubber Pad | |||
| Engine Footer | Off* | ||
| On | |||
| Dial Tone | On | ||
| Off | |||
| Caller ID | On | ||
| Off | |||
| Busy Tone | On | ||
| Off | |||
| Wrap Jam Clear | Yes | ||
| No | |||
| Machine Test | Switch Test | ||
| Test Param Set | |||
| Modem Test | |||
| Dram Test | |||
| Rom Test | |||
| Shading Test | Shading & Print | ||
| Scan Aging | |||
| Report | Protocol Dump | ||
| Supplies Info. | |||
| Configuration | |||
| Error Info | |||
| Usage Counter | |||
| ComponentCheck | |||
| Fax Options | |||
| EDC Mode | Test Rountine | 100-Motor | 400-Main STEP Motor Fast |
| 101-Clutch | 010-T1 Pick-Up Clutch | ||
| 102-Sensor | 010-T1 Paper Empty Sensor | ||
| 290-Feed Sensor | |||
| 435-Front Cover Sensor | |||
| 440-Rear Cover Sensor | |||
| 530-Width Sensor | |||
| 105-MHV Bias | 030-Black MHV Bias | ||
| 106-Dev Bias | 030-Black Dev Bias | ||
| 107-ATTR Bias | 030-Black THV Bias | ||
| 031-Black THV(-) Bias | |||
| 109-Fuser Heat | 000-Fuser Temperature A | ||
| 110-LSU | 060-LSU Motor1 Run | ||
| 110-LSU LD Power4 |