![](/images/new-backgrounds/1185436/185436243x1.webp)
6-1-2 Service error indications
Service errors are represented by the alternating flashing of the indicators (LEDs). Each error is represented by the notation of four digits code and can be monitored on the Remote Operation Panel utility. e.g. Call service 2000 is for the main motor error.
(1) 2000 - Main motor error
Printer indicators
Call service 2000:nnnnnn
Remove and check harness (S02773) between engine board
| No | |
| OK? | |
| Yes | |
No | +24 V DC at | |
pin 9 of CN1 on | ||
| ||
| main motor? | |
| Yes |
Replace harness (S02773) between engine board
Connect circuit tester to pin 8 (MOTORN) of YC04 on engine board
|
|
|
|
|
|
|
|
|
| Connect oscilloscope to |
|
| |
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
| pin 8 (MOTORN) and |
|
| |
|
|
|
|
|
|
|
| ||||||
| Turn printer power off, |
|
|
|
|
| pin 7 (MRDYN) of CN1 |
|
| ||||
|
|
| |||||||||||
| then on. |
|
|
|
|
| on main motor. |
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Print status page. |
|
|
|
|
| Turn power switch off, |
|
| ||||
|
|
|
|
|
|
|
|
|
| then on. |
|
| |
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
|
|
|
| |||
| Does |
|
|
|
|
|
|
| |||||
|
|
|
|
|
|
|
| ||||||
| pin 8 (MOTORN) | Yes |
| Print status page. |
|
| |||||||
of YC04 on engine board |
|
|
|
|
|
| |||||||
|
|
|
|
|
|
| |||||||
| goes high, |
|
|
|
|
|
|
|
| ||||
| then | low? |
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
| Does | |||
|
|
| No | No |
|
| pin 7 (MRDYN) | ||||||
|
|
| of CN1 on main motor goes | ||||||||||
|
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
| high, then low, | within 3 seconds | ||||
|
|
|
|
|
|
|
|
|
| from pin 8 (MOTORN) | |||
| Replace engine board |
|
|
| goes low? | ||||||||
|
|
|
|
|
|
|
| ||||||
|
|
|
|
|
|
|
| ||||||
|
|
|
|
| Yes | ||||||||
|
|
|
|
|
|
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
| Replace main motor. See | |||||
|
|
|
|
|
|
|
| page | |||||
|
|
|
|
|
|
|
| or replace drive unit. See | |||||
|
|
|
|
|
|
|
| page |